| quinoxaline | <chemistry> Any one of a series of complex nitrogenous bases obtained by the union of certain aniline derivatives with glyoxal or with certain ketones. Alternative forms: chinoxaline. Origin: Quinoline + glyoxal. Source: Websters Dictionary (01 Mar 1998) |
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| quinoxyl | <chemistry> The hypothetical radical of certain quinone derivatives related to rhodizonic acid. Origin: Quinone + oxygen + -yl. Source: Websters Dictionary (01 Mar 1998) |
| quinoyl | <chemistry> A radical of which quinone is the hydride, analogous to phenyl. Alternative forms: kinoyl. Origin: Quinone + -yl. Source: Websters Dictionary (01 Mar 1998) |
| quinpirole | <chemical> A dopamine d2/d3 receptor agonist. Pharmacological action: dopamine agonists. (12 Dec 1998) |
| quinquarticular | Relating to the five articles or points; as, the quinquarticular controversy between Arminians and Calvinists. Origin: Quinque- + article. Source: Websters Dictionary (01 Mar 1998) |
| quinque foliolate | <botany> Having five leaflets. Source: Websters Dictionary (01 Mar 1998) |
| quinquedentated | Five-toothed; as, a quinquedentate leaf. Origin: Quinque- + dentate, -tated: cf. F. Quinquedente. Source: Websters Dictionary (01 Mar 1998) |
| quinquedigitate | Synonym: pentadactyl. Origin: L. Quinque, five, + digitus, digit (05 Mar 2000) |
| quinquefarious | <botany> Arranged in five vertical rows; pentastichous. Origin: From L. Quinque five: cf. F. Quinquefarie. Cf. Bifarious. Source: Websters Dictionary (01 Mar 1998) |
| quinquefid | <botany> Sharply cut about halfway to the middle or base into five segments; as, a quinquefid leaf or corolla. Origin: Quique- + the root of L. Findere to cleave: cf. F. Quinquefide. Source: Websters Dictionary (01 Mar 1998) |
| quinquefoliated | <botany> Having five leaves or leaflets. Origin: Quinque- + foliate, -ated: cf. F. Quinquefolie, L. Quinquefolius. Source: Websters Dictionary (01 Mar 1998) |
| quinquelobared | Cut less than halfway into portions, usually somewhat rounded; five-lobed; as, a quinquelobate leaf or corolla. Origin: Quinque- + lobate, -ated: cf. F. Quinquelobe. Source: Websters Dictionary (01 Mar 1998) |
| quinquenerved | <botany> Having five nerves; said of a leaf with five nearly equal nerves or ribs rising from the end of the petiole. Origin: Quinque- + nerve. Source: Websters Dictionary (01 Mar 1998) |
| quinquepartite | 1. Consisting of five parts. 2. <botany> Divided into five parts almost to the base. Origin: L. Quinquepartitus; quinque five + partitus, p. P. Of partire to divide: cf. F. Quinquepartite. Source: Websters Dictionary (01 Mar 1998) |
| quinquetubercular | Having five tubercles or cusps, as certain molar teeth. Origin: L. Quinque, five, + tuberculum, tubercle, dim. Of tuber, a swelling (05 Mar 2000) |