| terpin | <chemistry> A white crystalline substance regarded as a hydrate of oil of turpentine. Source: Websters Dictionary (01 Mar 1998) |
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| phenobarbital elixir | A palatable, coloured hydroalcoholic (12-15% alcohol) mixture containing 20 mg of phenobarbital per 5 ml (teaspoonful); useful in administering the drug to persons who have difficulty swallowing tablets; used as an anticonvulsant and sedative. (05 Mar 2000) |
| elixir | 1. <medicine> A tincture with more than one base; a compound tincture or medicine, composed of various substances, held in solution by alcohol in some form. 2. <chemistry> An imaginary liquor capable of transmuting metals into gold; also, one for producing life indefinitely; as, elixir vitae, or the elixir of life. 3. The refined spirit; the quintessence. "The . . . Elixir of worldly delights." (South) 4. Any cordial or substance which invigorates. "The grand elixir, to support the spirits of human nature." (Addison) Origin: F. Elixir, Sp. Elixir, Ar. Eliksir the philosopher's stone, prob. From Gr. Dry, (hence probably) a dry powder; cf. Skr. Ksha to burn. Source: Websters Dictionary (01 Mar 1998) |
| codeine | <chemical> An opioid analgesic related to morphine but with less potent analgesic properties and mild sedative effects. It also acts centrally to suppress cough. Pharmacological action: analgesics, opioid, antitussive agents, narcotics. Chemical name: Morphinan-6-ol, 7,8-didehydro-4,5-epoxy-3-methoxy-17-methyl-, (5alpha,6alpha)- (12 Dec 1998) |
| codeine phosphate | A water-soluble salt of codeine often used in the pharmaceutical preparation of codeine-containing liquid medications. (05 Mar 2000) |
| codeine sulfate | A water-soluble salt of codeine, often used in solid pharmaceutical dosage forms. Also used in cough preparations, where the drug suppresses the cough reflex. (05 Mar 2000) |
| aluminum hydrate | <chemical> Hydrated aluminum. A compound with many biomedical applications: as a gastric antacid, an antiperspirant, in dentifrices, as an emulsifier, as an adjuvant in bacterins and vaccines, in water purification, etc. Pharmacological action: antacids, pharmaceutic aid. Chemical name: Aluminum hydroxide (Al(OH)3) (12 Dec 1998) |
| amyl hydrate | C5H11NO2;a vasodilator used in angina pectoris and cyanide poisoning. (05 Mar 2000) |
| benzoyl hydrate | C6H5COOH;occurs naturally in gum benzoin; it is used as a food preservative, locally as a fungistatic, and orally as an antiseptic, diuretic, and expectorant. It is excreted rapidly as hippuric acid. Synonym: benzoyl hydrate, flowers of benzoin. (05 Mar 2000) |
| caffeine hydrate | Monohydrate of caffeine, a central nervous system stimulant. (05 Mar 2000) |
| geranyl pyrophosphate-sabinene hydrate cyclase | <enzyme> Enzyme from sweet marjoram; catalyses cation-dependent cyclization of geranyl pyrophosphate to cis and trans sabinene hydrate, deriving oh from water, not from the pyrophosphate ester Registry number: EC 5.5.- Synonym: sabinene hydrate cyclase, sabinene hydrate synthase (26 Jun 1999) |
| chloral hydrate | <chemical> A hypnotic and sedative used in the treatment of insomnia. The safety margin is too narrow for chloral hydrate to be used as a general anaesthetic in humans, but it is commonly used for that purpose in animal experiments. It is no longer considered useful as an anti-anxiety medication. Pharmacological action: sedatives, nonbarbiturate, anaesthetics, intravenous. Chemical name: 1,1-Ethanediol, 2,2,2-trichloro- (12 Dec 1998) |
| hydrate | <chemistry> A compound formed by the union of water with some other substance, generally forming a neutral body, as certain crystallized salts. A substance which does not contain water as such, but has its constituents (hydrogen, oxygen, hydroxyl) so arranged that water may be eliminated; hence, a derivative of, or compound with, hydroxyl; hydroxide; as, ethyl hydrate, or common alcohol; calcium hydrate, or slaked lime. Origin: Gr. "ydwr water: cf. F. Hydrate. Source: Websters Dictionary (01 Mar 1998) |
| hydrate crystal | One of several possible microstructural arrangements of water molecules based on intermolecular forces; suggested as being involved in the mode of action of inhalation anaesthetics. (05 Mar 2000) |
| hydrate microcrystal theory of anaesthesia | A theory of narcosis pertaining to nonhydrogen-bonding agents; postulates the interaction of the molecules of the anaesthetic drug with water molecules in the brain. Synonym: Pauling's theory. (05 Mar 2000) |