有ゆう機き化か合ごう物ぶつ

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Meanings

Chemistry term for a compound containing carbon, typically contrasted with 無機化合物 (inorganic compound).

有ゆう機き物ぶつN1
有機化合物 is the precise chemistry term for a carbon-containing compound, while 有機物 is the broader, everyday word that can also mean organic matter in general.
有ゆう機きN1
有機 is often used as an abbreviation for 有機化合物 (organic compound) in technical speech, while 有機化合物 spells out the full chemical term.

Compound of 有機 (organic) + 化合物 (compound). 有機 is from Chinese 有機, itself a calque of English 'organic'.