noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The C₂O₂²⁻ anion produced by deprotonation of acetylenediol; the coordinate base of acetylenediol. countable, uncountable
2. 2
   The C₂O₂²⁻ anion produced by deprotonation of acetylenediol; the coordinate base of acetylenediol.; A salt of this anion. countable, uncountable

Etymology

From acetylenediol + -ate.

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