acetylenediolate

== English == === Etymology === From acetylenediol +‎ -ate. === Pronunciation === (General American) IPA(key): /əˌsɛ.tə.linˈdaɪ.əl.eɪt/, /-oʊl.eɪt/, /-ɔl.eɪt/, /-ɪt/, /-ət/ === Noun === acetylenediolate (countable and uncountable, plural acetylenediolates) (organic chemistry) The C2O22- anion produced by deprotonation of acetylenediol; the coordinate base of acetylenediol. A salt of this anion.