[rey-see-mik, -sem-ik, ruh-]
- noting or pertaining to any of various organic compounds in which racemism occurs.
Origin of racemic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for racemic
In the one case, therefore, the racemic compound has a higher, in the other a lower melting point than the active forms.
The lower isothermal, on the other hand, would be obtained at a temperature at which the racemic compound could be formed.
As, for instance, strychnine racemate, a compound of racemic acid with the optically active strychnine.
Racemic acid is rather less soluble than tartaric, and separates first from a solution containing the two acids.
A solution of racemic acid precipitates a neutral salt of calcium, which is not the case with tartaric acid.
- chem of, concerned with, or being a mixture of equal amounts of enantiomers and consequently having no optical activity
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
(rā-sē′mĭk, -sĕm′ĭk, rə-)
- 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.
- 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.