Dictionary.com

racemic

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

adjective Chemistry.
noting or pertaining to any of various organic compounds in which racemism occurs.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?

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. 2023

How to use racemic in a sentence

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 of racemic

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

Scientific 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.
FEEDBACK