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racemic

[rey-see-mik, -sem-ik, ruh-] /reɪˈsi mɪk, -ˈsɛm ɪk, rə-/
adjective, Chemistry
1.
noting or pertaining to any of various organic compounds in which racemism occurs.
Origin
1830-1840
1830-40; < French racémique < Latin racēm(us) raceme + French -ique -ic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for racemic

racemic

/rəˈsiːmɪk; -ˈsɛm-/
adjective
1.
(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
C19: from raceme (as in racemic acid) + -ic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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racemic in Medicine

racemic ra·ce·mic (rā-sē'mĭk, -sěm'ĭk, rə-)
adj.
Abbr. r
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.
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racemic in Science
racemic
  (rə-sē'mĭk)   
  1. 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.

  2. Relating to or consisting of racemes.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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