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Glossary of Medical Terms
beginning with letter O
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obstetrical Tweet Definition of obstetrical Like Definition of obstetrical on Facebook
adjective 
  1. of, or relating to obstetrics
     
obstetrician Tweet Definition of obstetrician Like Definition of obstetrician on Facebook
noun 
  1. (medicine) A physician who specializes in obstetrics
     
obstetrics Tweet Definition of obstetrics Like Definition of obstetrics on Facebook
noun 
  1. (medicine) The care of women during and after pregnancy
     
obstruent Tweet Definition of obstruent Like Definition of obstruent on Facebook
noun (plural: obstruents)
  1. (phonetics) a consonant sound formed by obstructing the airway, causing turbulence; the generic term of plosive, fricative and affricate
     
occult Tweet Definition of occult Like Definition of occult on Facebook
noun 
  1. (i, usually with the) supernatural, Supernatural affairs.
verb 
  1. (transitive): To cover.
The earth occults the moon during a lunar eclipse.
adjective (more)
  1. secret, Secret; hidden from general knowledge; undetected
blood loss; cancer
  1. Related to the occult.
     
olfactometer Tweet Definition of olfactometer Like Definition of olfactometer on Facebook
noun 
  1. A device used to measure the acuity of a person's sense of smell
     
onanism Tweet Definition of onanism Like Definition of onanism on Facebook
noun 
  1. ejaculate, ejaculating outside the vagina during intercourse; (the performing of) Coitus interruptus
  2. masturbation
     
oncology Tweet Definition of oncology Like Definition of oncology on Facebook
noun 
  1. The branch of medicine concerned with tumors, including study of their development, diagnosis, treatment, and prevention.
     
orderly Tweet Definition of orderly Like Definition of orderly on Facebook
noun (orderlies)
  1. A hospital attendant given a variety of non-medical duties.
  2. A soldier who carries out minor tasks for a superior officer.
adjective 
  1. Having or with order.
     
orthopedic Tweet Definition of orthopedic Like Definition of orthopedic on Facebook
adjective 
  1. Of, or relating to orthopedics
     
orthopedics Tweet Definition of orthopedics Like Definition of orthopedics on Facebook
noun (wikipedia, orthopedic surgery)
  1. (medicine) The branch of medicine that deals with the prevention or correction of disorders of the bones and associated muscles and joints
     
orthopraxy Tweet Definition of orthopraxy Like Definition of orthopraxy on Facebook
noun 
  1. Correct practice or action
  2. Right belief combined with right practice, with the emphasis being on the latter, a term specially used in Latin American liberation theology, often in contrast with an orthodoxy seen as insufficiently interested in the practical and political content of faith.
     
orthosis Tweet Definition of orthosis Like Definition of orthosis on Facebook
noun (orthos, es)
  1. (medicine) A type of brace which either prevents, or assists movement of a limb or the spine
     
orthostatic Tweet Definition of orthostatic Like Definition of orthostatic on Facebook
adjective 
  1. Of, or relating to upright posture.
  2. (archaeology) Of, or relating to an orthostat.
     
osteology Tweet Definition of osteology Like Definition of osteology on Facebook
noun 
  1. (anatomy) the scientific study of the morphology and pathology of bones
  2. (anatomy) the bone structure of a particular individual, or species
     
osteopath Tweet Definition of osteopath Like Definition of osteopath on Facebook
noun 
  1. (medicine) A physician who practices osteopathy by manipulating the skeleton and muscles
     
otology Tweet Definition of otology Like Definition of otology on Facebook
noun 
  1. (medicine) the branch of medicine that deals with the ear, its structure, function and pathology
     
otorhinolaryngology Tweet Definition of otorhinolaryngology Like Definition of otorhinolaryngology on Facebook
noun 
  1. the medical study of diseases of the ear, nose and throat
     
otoscope Tweet Definition of otoscope Like Definition of otoscope on Facebook
noun 
  1. an instrument used for examining the eardrum and interior of the outer ear
     
outpatient Tweet Definition of outpatient Like Definition of outpatient on Facebook
noun 
  1. A patient who receives treatment at a hospital or clinic but is not admitted overnight
adjective 
  1. Of or pertaining to outpatients
     
oximeter Tweet Definition of oximeter Like Definition of oximeter on Facebook
noun 
  1. (medicine) a device that measures the oxygen saturation of arterial blood
     
oxygen mask Tweet Definition of oxygen mask Like Definition of oxygen mask on Facebook
noun (plural oxygen masks)
  1. A plastic or rubber mask through which oxygen may be breathed from a storage tank.
     
oxygen tent Tweet Definition of oxygen tent Like Definition of oxygen tent on Facebook
noun 
  1. (medicine) a canopy for the head and shoulders, or a similar enclosure for the whole body, within which air having a higher than normal supply of oxygen can be administered to a patient
     
oxytocic Tweet Definition of oxytocic Like Definition of oxytocic on Facebook
adjective 
  1. (medicine) Serving to accelerate childbirth.
     
obstetrical Tweet Definition of obstetrical Like Definition of obstetrical on Facebook
adjective 
  1. of, or relating to obstetrics
     
obstetrician Tweet Definition of obstetrician Like Definition of obstetrician on Facebook
noun 
  1. (medicine) A physician who specializes in obstetrics
     
obstetrics Tweet Definition of obstetrics Like Definition of obstetrics on Facebook
noun 
  1. (medicine) The care of women during and after pregnancy
     
obstruent Tweet Definition of obstruent Like Definition of obstruent on Facebook
noun (plural: obstruents)
  1. (phonetics) a consonant sound formed by obstructing the airway, causing turbulence; the generic term of plosive, fricative and affricate
     
occult Tweet Definition of occult Like Definition of occult on Facebook
noun 
  1. (i, usually with the) supernatural, Supernatural affairs.
verb 
  1. (transitive): To cover.
The earth occults the moon during a lunar eclipse.
adjective (more)
  1. secret, Secret; hidden from general knowledge; undetected
blood loss; cancer
  1. Related to the occult.
     
olfactometer Tweet Definition of olfactometer Like Definition of olfactometer on Facebook
noun 
  1. A device used to measure the acuity of a person's sense of smell
     
onanism Tweet Definition of onanism Like Definition of onanism on Facebook
noun 
  1. ejaculate, ejaculating outside the vagina during intercourse; (the performing of) Coitus interruptus
  2. masturbation
     
oncology Tweet Definition of oncology Like Definition of oncology on Facebook
noun 
  1. The branch of medicine concerned with tumors, including study of their development, diagnosis, treatment, and prevention.
     
orderly Tweet Definition of orderly Like Definition of orderly on Facebook
noun (orderlies)
  1. A hospital attendant given a variety of non-medical duties.
  2. A soldier who carries out minor tasks for a superior officer.
adjective 
  1. Having or with order.
     
orthopedic Tweet Definition of orthopedic Like Definition of orthopedic on Facebook
adjective 
  1. Of, or relating to orthopedics
     
orthopedics Tweet Definition of orthopedics Like Definition of orthopedics on Facebook
noun (wikipedia, orthopedic surgery)
  1. (medicine) The branch of medicine that deals with the prevention or correction of disorders of the bones and associated muscles and joints
     
orthopraxy Tweet Definition of orthopraxy Like Definition of orthopraxy on Facebook
noun 
  1. Correct practice or action
  2. Right belief combined with right practice, with the emphasis being on the latter, a term specially used in Latin American liberation theology, often in contrast with an orthodoxy seen as insufficiently interested in the practical and political content of faith.
     
orthosis Tweet Definition of orthosis Like Definition of orthosis on Facebook
noun (orthos, es)
  1. (medicine) A type of brace which either prevents, or assists movement of a limb or the spine
     
orthostatic Tweet Definition of orthostatic Like Definition of orthostatic on Facebook
adjective 
  1. Of, or relating to upright posture.
  2. (archaeology) Of, or relating to an orthostat.
     
osteology Tweet Definition of osteology Like Definition of osteology on Facebook
noun 
  1. (anatomy) the scientific study of the morphology and pathology of bones
  2. (anatomy) the bone structure of a particular individual, or species
     
osteopath Tweet Definition of osteopath Like Definition of osteopath on Facebook
noun 
  1. (medicine) A physician who practices osteopathy by manipulating the skeleton and muscles
     
otology Tweet Definition of otology Like Definition of otology on Facebook
noun 
  1. (medicine) the branch of medicine that deals with the ear, its structure, function and pathology
     
otorhinolaryngology Tweet Definition of otorhinolaryngology Like Definition of otorhinolaryngology on Facebook
noun 
  1. the medical study of diseases of the ear, nose and throat
     
otoscope Tweet Definition of otoscope Like Definition of otoscope on Facebook
noun 
  1. an instrument used for examining the eardrum and interior of the outer ear
     
outpatient Tweet Definition of outpatient Like Definition of outpatient on Facebook
noun 
  1. A patient who receives treatment at a hospital or clinic but is not admitted overnight
adjective 
  1. Of or pertaining to outpatients
     
oximeter Tweet Definition of oximeter Like Definition of oximeter on Facebook
noun 
  1. (medicine) a device that measures the oxygen saturation of arterial blood
     
oxygen mask Tweet Definition of oxygen mask Like Definition of oxygen mask on Facebook
noun (plural oxygen masks)
  1. A plastic or rubber mask through which oxygen may be breathed from a storage tank.
     
oxygen tent Tweet Definition of oxygen tent Like Definition of oxygen tent on Facebook
noun 
  1. (medicine) a canopy for the head and shoulders, or a similar enclosure for the whole body, within which air having a higher than normal supply of oxygen can be administered to a patient
     
oxytocic Tweet Definition of oxytocic Like Definition of oxytocic on Facebook
adjective 
  1. (medicine) Serving to accelerate childbirth.
     

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