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  1. Oxford American Dictionary

    ester

    • IPA[ˈestər]

    美式

    • n.
      an organic compound made by replacing the hydrogen of an acid by an alkyl or other organic group. Many naturally occurring fats and essential oils are esters of fatty acids.

    • noun: ester, plural noun: esters

    • 更多解釋

    ester

    • IPA[ˈɛstə]

    英式

    • n.
      an organic compound made by replacing the hydrogen of an acid by an alkyl or other organic ...

    Oxford Dictionary