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diastereomer

[dahy-uh-ster-ee-uh-mer, -steer-] /ˌdaɪ əˈstɛr i ə mər, -ˈstɪər-/
noun, Chemistry
1.
either of a pair of stereoisomers that are not mirror images of each other.
Also called diastereoisomer
[dahy-uh-ster-ee-oh-ahy-suh-mer, -steer-] /ˌdaɪ əˌstɛr i oʊˈaɪ sə mər, -ˌstɪər-/ (Show IPA)
.
Compare enantiomer.
Origin
1935-1940
1935-40; dia- + stereo(iso)mer
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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