noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   either of two classes of compounds, formally derived from an ester by replacing an oxygen atom with selenium; either R-C(=Se)-OR' or R-C(=O)-SeR'

Etymology

From seleno- + ester.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.