diastereomer

[dahy-uh-ster-ee-uh-mer, -steer-]

noun Chemistry.

either of a pair of stereoisomers that are not mirror images of each other.

Compare enantiomer.

Origin of diastereomer

First recorded in 1935–40; dia- + stereo(iso)mer

Also called di·a·ster·e·o·i·so·mer

[dahy-uh-ster-ee-oh-ahy-suh-mer, -steer-] /ˌdaɪ əˌstɛr i oʊˈaɪ sə mər, -ˌstɪər-/.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018