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Glossary of Pharmacology Terms
beginning with letter O
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OD Tweet Definition of OD Like Definition of OD on Facebook
noun 
  1. An overdose.
  2. An overdraft.
initialism (OD's or ODs, OD'ed or ODed, OD'ing or ODing)
  1. (informal) To take an overdose of a drug.
  2. (context, degree) Doctor of Optometry.
  3. overdrive, Overdrive.
  4. overdraft, Overdraft.
  5. optical density
     
official Tweet Definition of official Like Definition of official on Facebook
noun 
  1. Of or pertaining to an office or public trust; as, official duties, or routine.
  2. Derived from the proper office or officer, or from the proper authority; made or communicated by virtue of authority; as, an official statement or report.
  3. Approved by authority; sanctioned by the pharmacopoeia; appointed to be used in medicine; as, an official drug or preparation. See officinal.
  4. Discharging an office or function.
adjective 
  1. Relating to an office; especially, to a subordinate executive officer or attendant.
  2. Relating to an ecclesiastical judge appointed by a bishop, chapter, archdeacon, etc., with charge of the spiritual jurisdiction.
     
ointment Tweet Definition of ointment Like Definition of ointment on Facebook
noun 
  1. a thick viscous preparation for application to the skin, often containing medication
     
oleate Tweet Definition of oleate Like Definition of oleate on Facebook
noun 
  1. (chemistry) any salt or ester of oleic acid
     
oleum Tweet Definition of oleum Like Definition of oleum on Facebook
noun 
  1. (inorganic compound) A solution of sulfur trioxide in sulfuric acid.
     
operate Tweet Definition of operate Like Definition of operate on Facebook
verb (operat, ing)
  1. To perform a work or labor; to exert power or strengh, physical or mechanical; to act.
  2. To produce an appropriate physical effect; to issue in the result designed by nature; especially (Med.), to take appropriate effect on the human system.
  3. To act or produce effect on the mind; to exert moral power or influence.
  4. (medicine) To perform some manual act upon a human body in a methodical manner, and usually with instruments, with a view to restore soundness or health, as in amputation, lithotomy, etc.
  5. To deal in stocks or any commodity with a view to speculative profits.
  6. To produce, as an effect; to cause.
  7. To put into, or to continue in, operation or activity; to work; as, to operate a machine.
     
opiate Tweet Definition of opiate Like Definition of opiate on Facebook
noun 
  1. A drug, hormone or other substance derived from or related to opium.
  2. Something that dulls the senses and induces a false and unrealistic sense of contentment.
verb (opiat, ing)
  1. (transitive) To treat with an opiate drug.
adjective 
  1. Relating to, resembling, or containing opium.
  2. soporific, Soporific; inducing sleep or sedation.
  3. deadening, Deadening; causing apathy or dullness.
     
overdose Tweet Definition of overdose Like Definition of overdose on Facebook
noun 
  1. An excessive and dangerous dose of a drug.
verb (overdos, es)
  1. To dose excessively, to take an overdose.
     
over the counter Tweet Definition of over the counter Like Definition of over the counter on Facebook
adverb (pos=over the counter, -)
  1. (finance) Through direct trade; outside a standard stock exchange.
  2. (pharmacy) (able to be obtained) without a doctor's prescription.
  3. (figuratively) legitimately, Legitimately (as opposed to under the counter).
     
over-the-counter Tweet Definition of over-the-counter Like Definition of over-the-counter on Facebook
adjective 
  1. (pharmacy) Non-prescription medicine and treatments, abbreviated as OTC.
  2. (finance) Direct interaction between two parties without an intermediary.
     
oxytocin Tweet Definition of oxytocin Like Definition of oxytocin on Facebook
noun 
  1. (hormone) A hormone that stimulates contractions during labour/labor, and then the production of milk.
     

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