| dimethylphenol | <chemistry> Any one of six metameric phenol derivatives of xylene, obtained as crystalline substances, (CH3)2.C6H3.OH. Origin: Xylene + -ol. Source: Websters Dictionary (01 Mar 1998) |
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| dimethylphenylpiperazinium | A highly selective stimulant of autonomic ganglionic cells; used experimentally. Acronym: DMPP (05 Mar 2000) |
| dimethylpiperazine tartrate | A diuretic, also used as a uric acid solvent. (05 Mar 2000) |
| dimethylpolysiloxanes | Silicone polymers which consist of silicon atoms substituted with methyl groups and linked by oxygen atoms. They comprise a series of biocompatible materials used as liquids, gels or solids; as film for artificial membranes, gels for implants, and liquids for drug vehicles; and as antifoaming agents. (12 Dec 1998) |
| dimethylsulfide - acceptor oxidoreductase | <enzyme> Contains b-type haem and pterin molybdenum cofactor; distinct from dimethylsulfoxide reductase; mw 152 kD; from rhodobacter sulfidophilus Registry number: EC 1.8.99.- Synonym: me2so-acceptor oxidoreductase, molybdenum oxotransferase (26 Jun 1999) |
| dimetria | An obsolete term for uterus didelphys. Origin: G. Di-, two, + metra, womb (05 Mar 2000) |
| dimetric | <chemistry> Same as Tetragonal. See: Dimeter. Source: Websters Dictionary (01 Mar 1998) |
| dimetridazole | <chemical> 1,2-dimethyl-5-nitroimidazole. A compound used to treat histomoniasis in poultry. Pharmacological action: antiprotozoal agents. Chemical name: 1H-Imidazole, 1,2-dimethyl-5-nitro- (12 Dec 1998) |
| dimidiate | 1. Divided into two equal parts; reduced to half in shape or form. 2. <biology> Consisting of only one half of what the normal condition requires; having the appearance of lacking one half; as, a dimidiate leaf, which has only one side developed. Having the organs of one side, or half, different in function from the corresponding organs on the other side; as, dimidiate hermaphroditism. Origin: L. Dimidiatus, p. P. Of dimidiare to halve, fr. Dimidius half. See Demi-. Source: Websters Dictionary (01 Mar 1998) |
| dimidiate hermaphroditism | A form in which a testis is present on one side and an ovary on the other. Synonym: dimidiate hermaphroditism. (05 Mar 2000) |
| diminazene | <chemical> 4,4'-(triazene-1,3-ylen)-bis(benzamidine aceturate). An effective trypanocidal agent. Pharmacological action: trypanocidal agents. Chemical name: Benzenecarboximidamide, 4,4'-(1-triazene-1,3-diyl)bis- (12 Dec 1998) |
| diminish | 1. To make smaller in any manner; to reduce in bulk or amount; to lessen; opposed to augment or increase. "Not diminish, but rather increase, the debt." (Barrow) 2. To lessen the authority or dignity of; to put down; to degrade; to abase; to weaken. "This doth nothing diminish their opinion." (Robynson (More's Utopia)) "I will diminish them, that they shall no more rule over the nations." (Ezek. Xxix. 15) "O thou . . . at whose sight all the stars Hide their diminished heads." (Milton) 3. To make smaller by a half step; to make (an interval) less than minor; as, a diminished seventh. 4. To take away; to subtract. "Neither shall ye diminish aught from it." (Deut. Iv. 2) Diminished column, one whose upper diameter is less than the lower. Diminished, or Diminishing, scale, a scale of gradation used in finding the different points for drawing the spiral curve of the volute. Diminishing rule, a stile which is narrower in one part than in another, as in many glazed doors. Synonym: To decrease, lessen, abate, reduce, contract, curtail, impair, degrade. See Decrease. Origin: Pref. Di- (= L. Dis-) + minish: cf. L. Diminuere, F. Diminuer, OE. Diminuen. See Dis-, and Minish. Source: Websters Dictionary (01 Mar 1998) |
| dimissory | Sending away; dismissing to another jurisdiction; granting leave to depart. Letters dimissory, letters given by a bishop dismissing a person who is removing into another diocese, and recommending him for reception there. Origin: L. Dimissorius: cf. F. Dimissoire. See Dimit. Source: Websters Dictionary (01 Mar 1998) |
| Dimmer's keratitis | Coin-shaped or round, discrete, grayish areas 0.5 to 1.5 mm in diameter scattered throughout the various layers of the cornea. Synonym: Dimmer's keratitis. (05 Mar 2000) |
| Dimmer, Friedrich | <person> Austrian ophthalmologist, 1855-1926. See: Dimmer's keratitis. (05 Mar 2000) |