不可逆

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Chinese[edit]

not; no reversible
simp. and trad.
(不可逆)
可逆

Pronunciation[edit]


Adjective[edit]

不可逆

  1. irreversible

Japanese[edit]

Kanji in this term

Grade: 4

Grade: 5
ぎゃく
Grade: 5
on’yomi

Etymology[edit]

Compound of (fu, un-, in-, not) +‎ 可逆 (kagyaku, reversibility).[1]

Pronunciation[edit]

Noun[edit]

不可逆 (hiragana ふかぎゃく, rōmaji fukagyaku)

  1. irreversibility
  2. (information theory) lossiness

Usage notes[edit]

In compounds, this term is often treated like an adjective:

 () () (ぎゃく) (はん) (のう)
fukagyaku hannō
an irreversible (chemical) reaction
 () () (ぎゃく) (あっ) (しゅく)
fukagyaku asshuku
lossy compression

However, for use as a standalone adjective, the full adjective form of  () () (ぎゃく) (てき) (fukagyakuteki) is generally required.

Antonyms[edit]

Derived terms[edit]

References[edit]

  1. 1.0 1.1 2006, 大辞林 (Daijirin), Third Edition (in Japanese), Tōkyō: Sanseidō, →ISBN
  • 1988, 国語大辞典(新装版) (Kokugo Dai Jiten, Revised Edition) (in Japanese), Tōkyō: Shogakukan