電子|でんしdenshi[1]atamadaka (head-high)

JLPT N3approx.Common
Definitions
  1. noun, physicselectron
  2. prenominal modifierelectronic
    電子でんしタイプライターはありますか。↗
    Do you have an electronic typewriter?
Synonyms & antonyms
  • SynonymエレクトロンNeutralLoanword for the electron, found mostly in technical contexts and names; in everyday use 「電子」 is the normal choice.
  • Related陰電子いんでんしWrittenWritten/formal term for the negatively charged electron, used mostly when contrasted with 「陽電子」; in ordinary contexts just say 「電子」.
  • Antonym陽電子ようでんしWrittenWritten/formal term for the positron — a positively charged particle and the electron's antiparticle, the counterpart of 「電子」.

Use 「電子」 for the particle itself and as a prefix for electronic things, as in 「電子書籍」. For the positron, say 「陽電子」. 「陰電子」 is used mainly when set against 「陽電子」, and 「エレクトロン」 mostly in technical or naming contexts.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese definitions
  1. 素粒子そりゅうしの内うちのレプトンの一ひとつ。負ふの電荷でんかを持もち、原子核げんしかくと共ともに原子げんしを構成こうせいする。エレクトロン。
  2. 素粒子そりゅうしである電子でんしそのものの作用さよう等とうに関かかわる語ごを形成けいせいする。
  3. 電子でんしの働はたらきが大おおきく関係かんけいする半導体はんどうたい素子そし等とう電気でんき回路かいろの作用さよう等とうに関かかわる語ごを形成けいせいする。
  4. コンピュータ(電子計算機でんしけいさんき)の作用さよう等とうに関かかわる語ごを形成けいせいする。
Kanji in this word
English equivalents

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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