noun
(also alkoxid)
Chemistry Any of a class of salt-like organic compounds containing anions of the form RO−, where R is an alkyl group, typically formed by the reaction of alcohols with metals.
The simplest alkoxide ions are methoxide, CH₃O−, and ethoxide, C₂H₅O−.
Origin
Late 19th century; earliest use found in The Century Dictionary. From alk- + oxide.
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