じゃがいも・じゃが芋jagaimo[0]heiban (flat)
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- nounpotato (Solanum tuberosum)
- SynonymポテトNeutralNeutral loanword that can also mean the potato itself, but mostly refers to Western dishes and snacks like fries and chips; in Japanese cooking the ingredient is 「じゃが芋」.
- Synonym馬鈴薯ばれいしょWrittenSame vegetable, but this is the written/formal prose term, seen in agriculture, statistics and academic writing; in everyday talk and cooking people say 「じゃが芋」.
- RelatedジャガタラいもWrittenAn old name tracing back to Jakarta (Batavia) for the same potato; essentially obsolete today. Use 「じゃが芋」 in daily speech.
- RelatedじゃがCasualColloquial short form of 「じゃが芋」; rarely used on its own, appearing mostly in compound dish names like 「肉じゃが」 and 「じゃがバター」.
For the everyday word for potato, default to 「じゃが芋」. Use 「馬鈴薯」 in written contexts like agriculture or statistics, 「じゃが」 in compound dish names, and 「ポテト」 for Western dishes and snacks like fries and chips.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


