All Words Glossary

Glossary of Pharmacology Terms
beginning with letter H
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habit
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noun
  1. an action done on a regular basis.
It's become a of mine to have a cup of coffee after dinner.
  1. an action performed repeatedly and automatically, usually without awareness.
By force of , he dressed for work even though it was holiday.
  1. a long piece of clothing worn by monks and nuns.
It's interesting how Catholic and Buddhist monks both wear habits.
  1. a piece of clothing worn uniformly for a specific activity.
The new riding habits of the team looked smashing!.
  1. customary manner of dress.
    • 1719: w:Daniel Defoe, Daniel Defoe, w:Robinson Crusoe, Robinson Crusoe
    • : ...it was always my fate to choose for the worse, so I did here; for having money in my pocket and good clothes upon my back, I would always go on board in the of a gentleman; and so I neither had any business in the ship, or learned to do any.
      1. an addiction.
      He has a 10-cigar .
hallucinogen
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noun
  1. Any substance tending to induce hallucination
haloperidol
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noun
  1. (pharmaceutical drug) A neuroleptic and a butyrophenone drug used in the treatment of mental illness such as psychosis.
hard
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adjective
  1. Resistant to pressure.
  2. Requiring a lot of effort to do or understand
a hard problem
  1. Demanding a lot of effort to endure.
a hard life
  1. (context, of a person) , severe, harsh, unfriendly, brutal.
  2. Unquestionable.
hard evidence
  1. Of drink, strong.
  2. Of water, high in dissolved calcium compounds.
  3. (context, slang, vulgar) Sexually aroused.
  4. (bodybuilding) Having muscles that are tightened as a result of intense, regular exercise.
adverb (harder, hardest)
  1. With much strength or energy
hashish
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noun
  1. The leaves and tender parts of the Indian hemp plant (which are intoxicating), which are dried for either chewing or smoking.
    • 1855: Sir Richard Burton, Personal Narrative of a Pilgrimage to Al-Madinah and Meccah
    • :Coyly at first, but less guardedly as we grew bolder, we smoked the forbidden weed "Hashish," conversing lengthily the while about that world of which I had seen so much.
    • 1876: Louisa May Alcott, Eight Cousins
    • :You know hasheesh is the extract of hemp?
hemp
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noun
  1. A tall annual herb, Cannabis sativa, native to Asia.
  2. Various products of this plant, including fibres and the drug cannabis.
heparin
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noun
  1. an anticoagulant compound originally isolated from liver cells, now made synthetically for medical use
hepatic
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noun (plural: hepatics)
  1. Any compound that acts on the liver.
compound
  • Japanese: è‚臓ã«ãã (ã‹ã‚“ãžã†ã«ãã, kanzÅ ni kiku)
adjective (no (compar) or (superl))
  1. Of or relating to the liver.
  2. Acting on or occurring in the liver.
  3. (colour) of a deep brownish-red color like that of liver.
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heroin
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noun
  1. A powerful and addictive drug derived from opium producing intense euphoria classed as a narcotic in most of the world.
histamine
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noun
  1. (biochemistry) An amine, C5H9N3, formed by decarboxylation of histidine, that causes dilatation of capillaries, contraction of smooth muscle, and stimulation of gastric acid secretion; it is released during allergic reactions.
    • 2001: The intake of food triggers a release of , which activates the acid-secreting cells. " Leslie Iversen, Drugs: A Very Short Introduction (Oxford 2001, p. 46)
hormone
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noun
  1. (physiology) Any substance, produced by one tissue and conveyed by the bloodstream to another to effect physiological activity.
  2. (pharmacology) A synthetic compound with the same activity.
  3. Any similar substance in plants.
hydrocortisone
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noun
  1. (steroid hormone) A steroid hormone, produced by the adrenal cortex, that regulates the metabolism of carbohydrates and maintains blood pressure.
  2. (pharmaceutical drug) A synthetic version of this hormone used to treat Addison's disease and other conditions.
hyoscyamine
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noun
  1. (chemistry) an alkaloid, the stereoisomer of atropine, used medicinally to treat abdominal pain and similar conditions
hypnotic
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noun
  1. A person who is, or can be, hypnotized.
  2. A soporific substance.
adjective
  1. Of, or relating to hypnosis or hypnotism.
  2. inducing, Inducing sleep; soporific.
hypo
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noun
  1. (photography) sodium thiosulfate, a photographic fixing agent.
  2. (slang) A hypoglycaemia attack in a person with diabetes.
  3. (slang) The substance sodium hyposulfite.
  4. (slang) A hypodermic syringe .
  5. (slang) hypothecation, Hypothecation.
hypodermic
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noun
  1. A hypodermic syringe, needle or injection
adjective
  1. Of, or relating to the hypodermis, the layer beneath the dermis

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