| official | 1. Of or pertaining to an office or public trust; as, official duties, or routine. "That, in the official marks invested, you Anon do meet the senate." (Shak) 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. <pharmacology> Approved by authority; sanctioned by the pharmacopoeia; appointed to be used in medicine; as, an official drug or preparation. Cf. Officinal. 4. Discharging an office or function. "The stomach and other parts official unto nutrition." (Sir T. Browne) Origin: L. Officialis: cf. F. Officiel. See Office, and cf. Official. Source: Websters Dictionary (01 Mar 1998) |
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| official formula | A formula contained in the Pharmacopeia or the National Formulary. (05 Mar 2000) |
| officiant | The officer who officiates or performs an office, as the burial office. Origin: L. Officians, p.pr. See Officiate. Source: Websters Dictionary (01 Mar 1998) |
| officinal | 1. Used in a shop, or belonging to it. 2. <pharmacology> Kept in stock by apothecaries; said of such drugs and medicines as may be obtained without special preparation or compounding; not magistral. This term is often interchanged with official, but in strict use officinal drugs are not necessarily official. See Official. Origin: F, fr. L. Officina a workshop, contr.fr. Opificina, fr. Opifex a workman; opus work + facere = to make or do. Source: Websters Dictionary (01 Mar 1998) |
| offish | Shy or distant in manner. Source: Websters Dictionary (01 Mar 1998) |
| offset | In general, that which is set off, from, before, or against, something; as: 1. <botany> A short prostrate shoot, which takes root and produces a tuft of leaves, etc. 2. A sum, account, or value set off against another sum or account, as an equivalent; hence, anything which is given in exchange or retaliation; a set-off. 3. A spur from a range of hills or mountains. 4. A horizontal ledge on the face of a wall, formed by a diminution of its thickness, or by the weathering or upper surface of a part built out from it; called also set-off. 5. A short distance measured at right angles from a line actually run to some point in an irregular boundary, or to some object. 6. <mechanics> An abrupt bend in an object, as a rod, by which one part is turned aside out of line, but nearly parallel, with the rest; the part thus bent aside. 7. A more or less distinct transfer of a printed page or picture to the opposite page, when the pages are pressed together before the ink is dry or when it is poor. Offset staff, a rod, usually ten links long, used in measuring offsets. Origin: Off + set. Cf. Set-off. Source: Websters Dictionary (01 Mar 1998) |
| offshoot | That which shoots off or separates from a main stem, channel, family, race, etc.; as, the offshoots of a tree. Origin: Off + shoot. Source: Websters Dictionary (01 Mar 1998) |
| ofloxacin | <chemical> An orally administered broad-spectrum quinolone antibacterial drug active against most gram-negative and gram-positive bacteria. Clinical efficacy has been confirmed in a variety of systemic infections as well as in acute and chronic urinary tract infections. Pharmacological action: anti-infective agents, fluoroquinolone, anti-infective agents, urinary. Chemical name: 7H-Pyrido(1,2,3-de)-1,4-benzoxazine-6-carboxylic acid, 9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-, (+-)- (12 Dec 1998) |
| Ofuji's disease | A dermatosis characterised by sterile pruritic papules and pustules that coalesce to form plaques with papulovesicular borders; spontaneous exacerbations and remissions may be accompanied by peripheral leukocytosis, eosinophilia, or both, and may result in eventual destruction of hair follicles and formation of eosinophilic abscesses. The disease has been reported in AIDS, and a possibly separate form of eosinophilic pustular folliculitis occurs in infants. Synonym: Ofuji's disease. (05 Mar 2000) |