じゃがいも・じゃが芋jagaimo[0]heiban (flat)

Common
Definitions
  1. nounpotato (Solanum tuberosum)
    今いまはジャガイモの世話せわをしている。↗
    I take care of the potatoes now.
Synonyms & antonyms
  • 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

Japanese definitions
  1. 《分類学ぶんるいがく》(ジャガイモ:※片仮名かたかな表記ひょうき限定げんてい) ナス目めナス科なすかナス属ぞくに分類ぶんるいされる被子植物ひししょくぶつ。多年草たねんそう。球状きゅうじょうに肥大化ひだいかする地下茎ちかけいを食用しょくようにする野菜やさい。
  2. 《一般いっぱん認識にんしき》(ジャガイモ、じゃがいも、馬鈴薯ばれいしょ、ほか)
  3. 《季語きご》(じやがいも)「馬鈴薯ばれいしょ」の子こ季語きごの一ひとつ。収穫期しゅうかくきのジャガイモ、特とくに収穫しゅうかくするもしくは収穫しゅうかくしたジャガイモの芋いもを指さす。秋あきの季語きご(初秋しょしゅうの季語きご)で、分類ぶんるいは植物しょくぶつ。
English equivalents

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