racemic

[ rey-see-mik, -sem-ik, ruh- ]
/ reɪˈsi mɪk, -ˈsɛm ɪk, rə- /

adjective Chemistry.

noting or pertaining to any of various organic compounds in which racemism occurs.

Origin of racemic

1830–40; < French racémique < Latin racēm(us) raceme + French -ique -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for racemic

British Dictionary definitions for racemic

racemic

/ (rəˈsiːmɪk, -ˈsɛm-) /

adjective

chem of, concerned with, or being a mixture of equal amounts of enantiomers and consequently having no optical activity

Derived Forms

racemism (ˈræsɪˌmɪzəm, rəˈsiːmɪzəm), noun

Word Origin for racemic

C19: from raceme (as in racemic acid) + -ic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for racemic

racemic

[ rā-sēmĭk, -sĕmĭk, rə- ]

adj.

Of or relating to a chemical compound that contains equal quantities of dextrorotatory and levorotatory forms and therefore does not rotate the plane of incident polarized light.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for racemic

racemic

[ rə-sēmĭk ]

Relating to a chemical compound that contains equal quantities of the dextrorotatory and levorotatory forms of the compound and therefore does not rotate the plane of incident polarized light.
Relating to or consisting of racemes.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.