既約

Reading

Kana: きやく

Romaji: kiyaku

Definition

adj-na

noun

adj-no

1

irreducible

Kanji

既

Readings: キ、 すで.に

Meanings: previously, already, long ago

約

Readings: ヤク、 つづ.まる、 つづ.める、 つづま.やか

Meanings: promise, approximately, shrink