| rana | <zoology> A genus of anurous batrachians, including the common frogs. Origin: L, a frog. Source: Websters Dictionary (01 Mar 1998) |
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| rana catesbeiana | A species of the family ranidae (true frogs). The only anuran properly referred to by the common name "bullfrog", it is the largest native anuran in north america. (12 Dec 1998) |
| rana esculenta | An edible species of the family ranidae, occurring in europe and used extensively in biomedical research. Commonly referred to as "edible frog". (12 Dec 1998) |
| Rana pipiens | Common European frog. (18 Nov 1997) |
| rana ridibunda | A species of the family ranidae which occurs primarily in europe and is used widely in biomedical research. (12 Dec 1998) |
| rana temporaria | A species of the family ranidae occurring in a wide variety of habitats from within the arctic circle to south africa, Australia, etc. (12 Dec 1998) |
| ranal | <botany> Having a general affinity to ranunculaceous plants. <botany> Ranal alliance, a name proposed by Lindley for a group of natural orders, including Ranunculaceae, Magnoliaceae, Papaveraceae, and others related to them. Source: Websters Dictionary (01 Mar 1998) |
| ranavirus | A genus of iridoviridae which infects amphibians. It is non-pathogenic for its natural host, rana pipiens, but is lethal for tadpoles and fowler toads. Frog virus 3 is the type species. (12 Dec 1998) |
| rancho | Origin: Sp, properly, a mess, mess room. Cf. 2d Ranch. 1. A rude hut, as of posts, covered with branches or thatch, where herdsmen or farm laborers may live or lodge at night. 2. A large grazing farm where horses and cattle are raised; distinguished from hacienda, a cultivated farm or plantation. Source: Websters Dictionary (01 Mar 1998) |
| rancid | Having a rank smell or taste, from chemical change or decomposition; musty; as, rancid oil or butter. Origin: L. Rancidus, fr. Rancere to be rancid or rank. Source: Websters Dictionary (01 Mar 1998) |
| rancidify | To make or become rancid. (05 Mar 2000) |
| rancidity | The state of being rancid. (05 Mar 2000) |
| rancke complex | <radiology> Combination of: calcified peripheral nodule (Ghon lesion), calcified hilar nodes, occurs in 50% of patients with primary TB (12 Dec 1998) |
| rancor | The deepest malignity or spite; deep-seated enmity or malice; inveterate hatred. "To stint rancour and dissencioun." "It would not be easy to conceive the passion, rancor, and malice of their tongues and hearts." (Burke) Synonym: Enmity, hatred, ill will, malice, spite, grudge, animosity, malignity. Rancor, Enmity. Enmity and rancor both describe hostile feelings; but enmity may be generous and open, while rancor implies personal malice of the worst and most enduring nature, and is the strongest word in our language to express hostile feelings. "Rancor will out; proud prelate, in thy face I see thy fury." (Shak) "Rancor is that degree of malice which preys upon the possessor." (Cogan) Origin: OE. Rancour, OF. Rancor, rancur, F. Rancune, fr. L. Rancor rancidity, rankness; tropically, an old grudge, rancor, fr. Rancere to be rank or rancid. Source: Websters Dictionary (01 Mar 1998) |
| Rand, Gertrude | <person> U.S. Visual psychologist, 1886-1970. See: Hardy-Rand-Ritter test. (05 Mar 2000) |