消旋作用
Racemation \Rac`e*ma"tion\, n. [L. racematio a gleaning, fr.
racemari to glean, racemus a cluster of grapes. See
{Raceme}.]
1. A cluster or bunch, as of grapes. --Sir T. Browne.
2. Cultivation or gathering of clusters of grapes. [R.]