All Words Glossary

Glossary of Medical Terms
beginning with letter S
Browse the Medical Glossary

sadomasochism Tweet Definition of sadomasochism Like Definition of sadomasochism on Facebook
noun (uncountable)
  1. Sadism and masochism in one person; the enjoyment by a person of both inflicting and receiving pain.
  2. Sadomasochism for sexual gratification.
saline Tweet Definition of saline Like Definition of saline on Facebook
  1. water, Water containing dissolved salt.
  1. (notcomparable) contain, Containing salt.
sanatorium Tweet Definition of sanatorium Like Definition of sanatorium on Facebook
noun (Plural:sanatoria or sanatoriums)
  1. an institution that treats chronic diseases, and provides supervised recuperation and convalescence
sanitarium Tweet Definition of sanitarium Like Definition of sanitarium on Facebook
  1. a sanatorium
sarcology Tweet Definition of sarcology Like Definition of sarcology on Facebook
  1. The study of the soft parts of the body. This includes myology, angiology, neurology, and splanchnology.
scan Tweet Definition of scan Like Definition of scan on Facebook
  1. The result or output of a scan.
After the was done the doctors looked at the images and made a diagnosis.
verb (scan, n, ing)
  1. (obsolete): To mount by steps; to go through with step by step.
  2. To examine sequentially, part by part.
  3. (computing): To create a digital copy of an image using a scanner.
  4. To look about for.
He scanned the horizon.
  1. (poetry) To fit or conform to a specific meter.
scanner Tweet Definition of scanner Like Definition of scanner on Facebook
  1. Something or somebody which scans.
He put the picture in the , then e-mailed a copy of it to his family.
sedate Tweet Definition of sedate Like Definition of sedate on Facebook
verb (sedat, ing)
  1. to tranquilize by giving a sedative.
  1. in a composed and temperate state.
sedation Tweet Definition of sedation Like Definition of sedation on Facebook
  1. The act of sedate, sedating, especially by use of sedatives.
    The patient was so agitated that the doctor resorted to .
self-abuse Tweet Definition of self-abuse Like Definition of self-abuse on Facebook
  1. (historical) (euphemism) masturbation
  2. cutting of oneself
semiotic Tweet Definition of semiotic Like Definition of semiotic on Facebook
  1. of or relating to semiotics or to semantics
serious Tweet Definition of serious Like Definition of serious on Facebook
  1. Without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn.
It was a surprise to see the captain, who had always seemed so , laugh so heartily.
  1. Important; weighty; not trifling; leaving no room for play; needing great attention.
This is a problem. We'll need our best experts.
  1. Really intending what is said; being in earnest; not jesting or deceiving; meaningful.
After all these years, we're finally getting attention.
sex Tweet Definition of sex Like Definition of sex on Facebook
noun (es, -)
  1. (uncountable) The act of sexual intercourse.
  2. (countable) Either of two main divisions (either male or female) into which many organisms can be placed, according to reproductive function or organs.
What is that hamster?
  1. (euphemism) genitalia, Genitalia; a penis or vagina.
  2. (context, with definite article, dated) women, Women, womankind.
    • 1759, Laurence Sterne, The Life & Opinions of Tristram Shandy, Gentleman (Penguin 2003, p. 60):
    • : unless it was with his sister-in-law, my father's wife and my mother,""my uncle Toby scarce exchanged three words with the sex in as many years
    • 1913, Arthur Conan Doyle, "The Adventure of the Dying Detective" (Norton 2005, p.1342)
    • : He disliked and distrusted the sex, but he was always a chivalrous opponent.
      All you ever think about is .
verb (sex, es)
  1. (transitive) To determine the sex of.
It is not easy to a hyena.
  1. (transitive) (informal) To have sex with.
The passionate lovers sexed each other every night.
  1. sex up
sexual Tweet Definition of sexual Like Definition of sexual on Facebook
  1. of or relating to having sex (as in verb phrase usage; e.g. sexual reproduction)
  2. of or relating to the sex of an organism (as in concrete noun usage; e.g. male or female)
  3. of or relating to sexuality (as in abstract noun usage; e.g. sexual behavior)
sexual intercourse Tweet Definition of sexual intercourse Like Definition of sexual intercourse on Facebook
  1. Sexual contact or interaction between two or more people causing sexual excitation of at least one of them.
(rfc, circular def)      
sexuality Tweet Definition of sexuality Like Definition of sexuality on Facebook
noun (sexualit, ies, -)
  1. (rfex) that which is characterized or distinguished by sex
  2. (rfex) sexual activity
  3. (rfex) the concern with, or interest in sexual activity
  4. (rfex) sexual potency
  5. (rfex) sexual orientation
  6. (rfex) sexual identity, gender
  7. (rfex) sexual receptivity
sigmoidoscope Tweet Definition of sigmoidoscope Like Definition of sigmoidoscope on Facebook
  1. (medicine) an instrument used for examining the sigmoid colon
sigmoidoscopy Tweet Definition of sigmoidoscopy Like Definition of sigmoidoscopy on Facebook
  1. (medicine) intenstine, intenstinal examination from anal insertion
sign Tweet Definition of sign Like Definition of sign on Facebook
  1. (sometimes also used uncountably) A visible indication.
Their angry expressions were a clear they didn't want to talk.
Those clouds show signs of raining soon.
Those clouds show little of raining soon.
  1. A clearly visible object, generally flat, bearing a short message in words or pictures.
The in the window said "for rent".
  1. A traffic sign.
I missed the at the corner so I took the wrong turn.
  1. A meaningful gesture.
I gave them a thumbs-up .
  1. Any of several specialized non-alphabetic symbols.
The sharp indicates that the pitch of the note is raised a half step.
  1. An astrological sign.
Your is Taurus? That's no surprise.
  1. (mathematics) Positive or negative polarity.
I got the magnitude right, but the was wrong.
  1. A linguistic unit in sign language equivalent to word in spoken languages.
What's the for "computer"?
  1. (uncountable) sign language in general
Sorry, I don't know very well.
  1. An omen.
"It's a of the end of the world," the doom prophet said.
  1. (transitive) To write one's signature on (a document), thus showing authorship.
I forgot to sign that letter to my aunt.
  1. (transitive) To give legal consent by writing one's signature.
I'm not signing anything without my lawyer present.
  1. (transitive) To persuade to sign a contract.
It was a great month. I managed to sign three major players.
  1. (intransitive) To write one's signature somewhere.
Please sign on the dotted line.
  1. (intransitive) (colloquial) To give autographs.
I'm sorry, I don't sign.
  1. (intransitive) To communicate using sign language.
I'm learning to sign so I can talk to my new neighbor.
signature Tweet Definition of signature Like Definition of signature on Facebook
  1. A person"s autograph name.
  2. The act of signing one's name.
  3. (medicine) That part of a doctor"s prescription containing directions for the patient.
  4. (music) Signs on the stave indicating key and tempo
  5. (printing) A group of four (or a multiple of four) pages printed such that, when folded, become a section of a book
  6. (computing) A pattern used for matching the identity of a virus, or of types of behaviour.
  7. (cryptography) Data attached to a message that guarantees that the message originated from its claimed source.
(wikipedia, Signature) adjective
  1. distinctive, characteristic indicative of identity
silent Tweet Definition of silent Like Definition of silent on Facebook
  1. That which is silent; a time of silence.
  • The of the night. Shakespeare
adjective (er, more)
  1. Free from sound or noise; absolutely still; perfectly quiet.
    • Shakespeare:
    • : How is this town!
    • 1825, Samuel Johnson, Arthur Murphy, The Works of Samuel Johnson, Talboys and Wheeler, page 52:
    • : What was formerly performed by fleets and armies, by invasions, sieges, and battles, has been of late accomplished by more silent methods.
    • 1906, William Dean Howells and Sidney Dillon Ripley, Certain Delightful English Towns: With Glimpses of the Pleasant Country Between, Harper & Brothers, page 152:
    • : The voice of the auctioneer is slow and low ...; after a pause, which seems no silenter than the rest of the transaction, he ceases to repeat the bids, and his fish, in the measure of a bushel or so, have gone for a matter of three shillings.
      1. Not speaking; indisposed to talk; speechless; mute; taciturn; not loquacious; not talkative.
    • Ulysses, adds he, was the most eloquent and most of men. Broome.
    • This new-created world, whereof in hell Fame is not . Milton.
      1. Keeping at rest; inactive; calm; undisturbed; as, the wind is . Parnell. Sir W. Raleigh.
      2. (Pronunciation) Not pronounced; having no sound; quiescent; as, "e is silent in fable."
      3. Having no effect; not operate, operating; inefficient.
    • Cause ... , virtueless, and dead. Raleigh, Sir W. Raleigh.
      1. (technology) Without audio capability.
    • The Magnavox Odyssey was a console. Silent partner. See Dormant partner, under Dormant.
singultus Tweet Definition of singultus Like Definition of singultus on Facebook
  1. (medicine) The medical name for hiccups.
sling Tweet Definition of sling Like Definition of sling on Facebook
  1. (context, Weapon) An instrument for throwing stones or other missiles, consisting of a short strap with two strings fastened to its ends, or with a string fastened to one end and a light stick to the other. The missile being lodged in a hole in the strap, the ends of the string are taken in the hand, and the whole whirled rapidly round until, by loosing one end, the missile is let fly with centrifugal force.
  • 1786: The Sling is also a weapon of great antiquity, formerly in high estimation among the ancients. — Francis Grose, A Treatise on Ancient Armour and Weapons, page 43.
    1. A kind of hanging bandage put around the neck, in which a wounded arm or hand is supported.
    2. A loop of rope, or a rope or chain with hooks, for suspending a barrel, bale, or other heavy object, in hoisting or lowering.
    3. A strap attached to a firearm, for suspending it from the shoulder.
    4. (Nautical) A band of rope or iron for securing a yard to a mast; -- chiefly in the plural.
    5. The act or motion of hurling as with a sling; a throw; figuratively, a stroke.
  • 1600: To be, or not to be, that is the question: Whether 'tis nobler in the mind to suffer The slings and arrows of outrageous fortune, Or to take arms against a sea of troubles, And by opposing, end them. — William Shakespeare, Hamlet, Act III, Scene I, line 55.
  • verb (slings, slinging, slung or slang, slung)
    1. To throw.
    sodomy Tweet Definition of sodomy Like Definition of sodomy on Facebook
    1. immorality in general
    2. any of various forms of sexual intercourse held to be unnatural, particularly bestiality.
    3. anal sex
    sonogram Tweet Definition of sonogram Like Definition of sonogram on Facebook
    1. a medical image produced by ultrasound echo
    2. a spectrogram
    sonometer Tweet Definition of sonometer Like Definition of sonometer on Facebook
    1. an audiometer
    sound Tweet Definition of sound Like Definition of sound on Facebook
    1. A sensation perceived by the ear caused by the vibration of air or some other medium. (He turned when he heard the of footsteps behind him.)
    Nobody made a .
    1. A vibration capable of causing this.
    1. (intransitive) To produce a sound.
    When the horn sounds, be careful.
    1. (rfex) (transitive) To state or utter, especially with deliberation; to repeat.
    2. (transitive) To cause to produce a sound.
    He sounds the instrument.
    1. (intransitive) To arise or to be recognizable as arising within a particular area of law.
    "There can be no doubt that claims brought pursuant to ยง 1983 in tort."
    -City of Monterey v. Del Monte Dunes at Monterey, Ltd., 526 U.S. 687, 709 (1999).
    adjective (sounder, soundest)
    1. healthy, Healthy.
    He was safe and .
    1. complete, Complete, solid, or secure.
    Fred assured me the floorboards were .
    1. (context, British, slang) Good or a good thing.
    "How are you?" - "I'm ."
    That's a track you're playing.
    space medicine Tweet Definition of space medicine Like Definition of space medicine on Facebook
    1. (medicine) The branch of medicine that deals with the effects of space travel on human beings
    specific Tweet Definition of specific Like Definition of specific on Facebook
    noun (plural specifics)
    1. a remedy for a particular disorder
    2. a distinguishing attribute or quality
    1. explicit or definite
    2. of, or relating to a species
    3. (taxonomy) pertaining to a taxon at the rank of species
    4. special, distinctive or unique
    5. intended for, or applying to a particular thing
    6. being a remedy for a particular disease
    7. (immunology) being limited to a particular antibody or antigen
    8. (physics) a value divided by the mass (e.g. specific volume)
    spinal Tweet Definition of spinal Like Definition of spinal on Facebook
    1. of or related to the spine
    Spirograph Tweet Definition of Spirograph Like Definition of Spirograph on Facebook
    proper noun ™
    1. a geometric drawing toy consisting of a set of plastic gears and toothed rings
    spirometer Tweet Definition of spirometer Like Definition of spirometer on Facebook
    1. A device used to measure the volume of air inspired and expired by the lungs
    splint Tweet Definition of splint Like Definition of splint on Facebook
    1. A narrow strip of wood split or peeled off of a larger piece.
    2. (medicine) A device to immobilize a body part.
    1900But it so happened that I had a man in the hospital at the time, and going there to see about him the day before the opening of the Inquiry, I saw in the white men's ward that little chap tossing on his back, with his arm in splints, and quite light-headed. Joseph Conrad, Lord Jim,,+Joseph,+1857-1924:+Lord+Jim,+1899-1900&query=splints&id=ConLord Chapter 5.
    1. A dental device applied consequent to undergoing orthodontia.
    2. A segment of armor.
    1819The fore-part of his thighs, where the folds of his mantle permitted them to be seen, were also covered with linked mail; the knees and feet were defended by splints , or thin plates of steel, ingeniously jointed upon each other; and mail hose, reaching from the ankle to the knee, effectually protected the legs, and completed the rider's defensive armour. " Walter Scott, Ivanhoe,,+Walter:+Ivanhoe.+A+Romance,+1819&query=defended+by+splints&id=ScoIvan Chapter 1.
    1. A bone found on either side of the horse's cannon bone
    1. To apply a splint.
    2. To support one's abdomen with hands or a pillow before attempting to cough.
    sponge Tweet Definition of sponge Like Definition of sponge on Facebook
    1. (countable) Any of various marine invertebrates, mostly of the phylum Porifera, that have a porous skeleton often of silica
    2. (countable) A piece of porous material used for washing (originally made from the invertebrates, now often made of plastic)
    3. (uncountable) A porous material such as sponges consist of
    4. (informal) A heavy drinker
    5. (countable, uncountable) A light cake
    6. (countable, uncountable, UK) A type of steamed pudding
    7. (slang) A person who takes advantage of the generosity of others (abstractly imagined to absorb or soak up the money or efforts of others like a sponge)
    verb (spong, ing)
    1. (slang) To take advantage of the kindness of others.
    He has been sponging off his friends for a month now.
    1. To clean, soak up, or dab with a sponge.
    sports medicine Tweet Definition of sports medicine Like Definition of sports medicine on Facebook
    1. (medicine) The branch of medicine that deals with the effects of sport and exercise on the body, especially the treatment of injuries so received, and also studies the physiology of exercise
    stabile Tweet Definition of stabile Like Definition of stabile on Facebook
    1. Abstract sculpture or structure of wire, sheet metal, etc.
    stanch Tweet Definition of stanch Like Definition of stanch on Facebook
    verb (stanches)
    1. To stop the flow of.
    A small ammount of cotton can be stuffed into the nose to stanch the flow of blood if necessary.
    stat Tweet Definition of stat Like Definition of stat on Facebook
    1. Short for statistic.
    2. Short for statistics.
    1. immediately, Immediately, now " usually used in medical situations, to connote extreme urgency.
    stent Tweet Definition of stent Like Definition of stent on Facebook
    1. A slender tube inserted into a blood vessel, a ureter or the oesophagus in order to provide support and to prevent disease-induced closure.
    1. (Archaic, Arch.) To keep within limits; to restrain; to cause to stop, or cease; to stint.
    2. (Archaic, Arch.) To stint; to stop; to cease.
    stereotaxis Tweet Definition of stereotaxis Like Definition of stereotaxis on Facebook
    1. stereotactic surgery
    2. The movement of an organism when touched; thigmotaxis
    stethoscope Tweet Definition of stethoscope Like Definition of stethoscope on Facebook
    1. A medical instrument used for listening to sounds produced within the body.
    stomachic Tweet Definition of stomachic Like Definition of stomachic on Facebook
    1. Of or related to the stomach.
    2. Beneficial to the stomach or to digestion.
    stomatology Tweet Definition of stomatology Like Definition of stomatology on Facebook
    1. (medicine) the study of the mouth and its disorders and diseases.
    strain Tweet Definition of strain Like Definition of strain on Facebook
    1. (obsolete) treasure, Treasure.
    2. (obsolete) The blood-vessel in the yolk of an egg.
    3. (archaic) race, Race; lineage, pedigree.
    4. A particular breed or race of animal, microbe etc.
    They say this year's flu virus is a particularly virulent .
    1. hereditary, Hereditary character, quality, or disposition.
    There is a of madness in her family.
    1. (rare) A kind or sort (of person etc.).
    1. To exert or struggle (to do something), especially to stretch too far.
    Sitting in back, I strained to hear the speaker.
    1. To apply a force or forces to
    2. To tighten the strings of a musical instrument; to uplift one"s voice
    3. To separate solid from liquid by passing through a strainer or colander
    styptic Tweet Definition of styptic Like Definition of styptic on Facebook
    1. A substance used for styptic results.
      • 1876: Henry Beasley, The Book of Prescriptions
      • :The powdered gum with resin is used as a ; and the mucilage has been recommended as an application to burns.
      • 1889: John Barclay Biddle, Materia Medica and Therapeutics: For Physicians and Students
      • :Externally, it is applied as a , and in solution, of various strengths, as an astringent.
      • 1990: A. L. Tommie Bass et al., Herbal Medicine Past and Present
      • :Knowledge of puffball's use as a and for hemorrhoids reached Bass through the popular tradition.
    1. Bringing about contraction of tissues, especially to stop bleeding
      • 1973: Nicholas Monsarrat, The Kapillan of Malta
        The growth on top was a scrubby plant, unknown anywhere else on Malta, which was believed to have qualities " it could staunch bleeding when packed on top of a wound
    subcutaneous Tweet Definition of subcutaneous Like Definition of subcutaneous on Facebook
    1. Pertaining to the fatty layer under the skin.
    succumb Tweet Definition of succumb Like Definition of succumb on Facebook
    1. (intransitive) to yield to an overpowering force or overwhelming desire
    2. (intransitive) to give up, or give in
    3. (intransitive) to die
    suction Tweet Definition of suction Like Definition of suction on Facebook
    1. The principle of physics by which matter is drawn from one space into another because the pressure inside the second space is lower than the pressure in the first.
    2. The principle of physics by which one item is caused to adhere to another because the pressure in the space between the items is lower than the pressure outside that space.
    3. The process of creating an imbalance in pressure to draw matter from one place to another.
    1. To create an imbalance in pressure between one space and another in order to draw matter between the spaces.
    2. To draw out the contents of a space.
    1. Of or relating to something that operates by the principle of creating an imbalance in pressure to draw matter from one place to another.
    sunlamp Tweet Definition of sunlamp Like Definition of sunlamp on Facebook
    1. A mercury-vapour lamp that produces ultraviolet radiation; used for therapeutic or cosmetic purposes
    syringe Tweet Definition of syringe Like Definition of syringe on Facebook
    1. A device used for inject, injecting or draw, drawing fluids through a membrane.
    2. A device consisting of a hypodermic needle, a chamber for containing liquids, and a piston for applying pressure (to inject) or reducing pressure (to draw); a hypodermic syringe.
    sadomasochism Tweet Definition of sadomasochism Like Definition of sadomasochism on Facebook
    noun (uncountable)
    1. Sadism and masochism in one person; the enjoyment by a person of both inflicting and receiving pain.
    2. Sadomasochism for sexual gratification.
    saline Tweet Definition of saline Like Definition of saline on Facebook
    1. water, Water containing dissolved salt.
    1. (notcomparable) contain, Containing salt.
    sanatorium Tweet Definition of sanatorium Like Definition of sanatorium on Facebook
    noun (Plural:sanatoria or sanatoriums)
    1. an institution that treats chronic diseases, and provides supervised recuperation and convalescence
    sanitarium Tweet Definition of sanitarium Like Definition of sanitarium on Facebook
    1. a sanatorium