About
酯 (zhǐ) is a modern phono-semantic compound coined to translate Western chemical terminology. The left-side radical 酉 (yǒu), an ancient pictograph of a wine vessel, functions as the semantic indicator, situating the character in the context of alcohols, fermentation, and organic chemical reactions. The right-side component 旨 (zhǐ) serves as the phonetic, giving the sound. The character denotes an ester, a compound derived from an acid in which a hydroxyl group is replaced by an alkoxy group, typically formed by the reaction of an acid with an alcohol. It thus illustrates how traditional radical-phonetic structures were systematically adapted to convey precise modern scientific concepts.
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