| racemiferous | <botany> Bearing racemes, as the currant. Origin: L. Racemifer bearing clusters; racemus cluster + ferre to bear: cf. F. Racemifere. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| racemization | Partial conversion of one enantiomorph into another (as an l-amino acid to the corresponding d-amino acid) so that the specific optical rotation is decreased, or even reduced to zero, in the resulting mixture. (05 Mar 2000) |
| racemose | <botany> Resembling a raceme; growing in the form of a raceme; as, the racemose glands, in which the ducts are branched and clustered like a raceme. Origin: L. Racemosus full of clusters. Source: Websters Dictionary (01 Mar 1998) |
| racemose aneurysm | Dilation of a group of blood vessels owing to congenital malformation with arteriovenous shunting. Synonym: cirsoid varix, racemose aneurysm, racemose haemangioma. (05 Mar 2000) |
| racemose gland | A gland that has the appearance of a bunch of grapes if viewed as a three-dimensional reconstruction; e.g., a compound acinous or alveolar gland. (05 Mar 2000) |
| racemose haemangioma | Dilation of a group of blood vessels owing to congenital malformation with arteriovenous shunting. Synonym: cirsoid varix, racemose aneurysm, racemose haemangioma. (05 Mar 2000) |
| racemule | <botany> A little raceme. Source: Websters Dictionary (01 Mar 1998) |
| racemulose | <botany> Growing in very small racemes. Source: Websters Dictionary (01 Mar 1998) |
| racephedrine hydrochloride | Dl-Ephedrine hydrochloride;a sympathomimetic drug with peripheral effects similar to those of epinephrine, and with the same actions and uses as ephedrine. (05 Mar 2000) |
| racer | 1. One who, or that which, races, or contends in a race; especially, a race horse. "And bade the nimblest racer seize the prize." (Pope) 2. <zoology> The common American black snake. 3. One of the circular iron or steel rails on which the chassis of a heavy gun is turned. Source: Websters Dictionary (01 Mar 1998) |
| rache | <zoology> A dog that pursued his prey by scent, as distinguished from the greyhound. Origin: AS.raecc; akin to Icel. Rakki. Source: Websters Dictionary (01 Mar 1998) |
| rachi- | The spine. Origin: G. Rhachis, spine, backbone (05 Mar 2000) |
| rachial | <anatomy> Pertaining to a spine or to the vertebral column. Origin: L. Spinalis (18 Nov 1997) |
| rachialgia | <medicine> A painful affection of the spine; especially, Pott's disease; also, formerly, lead colic. Origin: NL, fr. Gr. Backbone + pain. Source: Websters Dictionary (01 Mar 1998) |
| rachicentesis | Synonym: lumbar puncture. Origin: rachi-+ G. Kentesis, puncture (05 Mar 2000) |