| raceme | (n) usually elongate cluster of flowers along the main stem in which the flowers at the base open first |
| racemic acid | (n) the optically inactive form of tartaric acid that is often found in grape juice |
| racemose | (adj) having stalked flowers along an elongated stem that continue to open in succession from below as the stem continues to grow, Example: lilies of the valley are racemose |
| Racemate | n. (Chem.) A salt of racemic acid. [ 1913 Webster ] |
| Racemation | n. [ L. racematio a gleaning, fr. racemari to glean, racemus a cluster of grapes. See Raceme. ] |
| Raceme | n. [ L. racemus a bunch of berries, a cluster of grapes. See Raisin. ] (Bot.) A flower cluster with an elongated axis and many one-flowered lateral pedicels, as in the currant and chokecherry. [ 1913 Webster ]
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| Racemed | a. (Bot.) Arranged in a raceme, or in racemes. [ 1913 Webster ] |
| Racemic | a. [ Cf. F. racémique. See Raceme. ] (Chem.) Pertaining to, or designating, an acid found in many kinds of grapes. It is also obtained from tartaric acid, with which it is isomeric, and from sugar, gum, etc., by oxidation. It is a sour white crystalline substance, consisting of a combination of dextrorotatory and levorotatory tartaric acids. Gregory. [ 1913 Webster ] |
| Racemiferous | a. [ L. racemifer bearing clusters; racemus cluster + ferre to bear: cf. F. racémifère. ] (Bot.) Bearing racemes, as the currant. [ 1913 Webster ] |
| Racemiform | a. Having the form of a raceme. Gray. [ 1913 Webster ] |
| Racemose | a. [ L. racemosus full of clusters. ] Resembling a raceme; growing in the form of a raceme; |
| Racemous | a. [ Cf. F. racémeux. ] See Racemose. [ 1913 Webster ] |
| Racemule | n. (Bot.) A little raceme. [ 1913 Webster ] |