any salt or ester of a carboxylic acid having a formula of the type M(RCOO)x, where M is a metal and R an organic group, or R1COOR2, where R1 and R2 are organic groups
carboxylate in American English
(kɑrˈbɑksəˌleɪt)
noun
1.
a salt or ester of a carboxylic acid
verb transitiveWord forms: carˈboxylˌated or carˈboxylˌating
2.
to form a carboxylic acid by introducing a carboxyl group into (a compound)