Japanese symbol for “monoxide”

一酸化

いっさんか

Romaji: issanka

monoxide

In Japanese, monoxide is 一酸化, read いっさんか (issanka).

Before using these characters for a tattoo, check them with a native speaker. Dictionary words often have several meanings, and the right choice depends on context.

Meanings

adj-na, n monoxide

Kanji and stroke order

一

one, one radical (no.1)

on: イチ、イツ
kun: ひと-、ひと.つ

1 strokes · JLPT 4

酸

acid, bitterness, sour

on: サン
kun: す.い

14 strokes · JLPT 1

化

change, take the form of, influence

on: カ、ケ
kun: ば.ける、ば.かす、ふ.ける、け.する

4 strokes · JLPT 2

Related words

Words that share a kanji.

Word	Reading	Meaning
一緒	いっしょ issho	(doing) together
一番	いちばん ichiban	number one; first; first place
一つ	ひとつ hitotsu	one
一般	いっぱん ippan	general; universal
一部	いちぶ ichibu	one part; one portion; one section
一方	いっぽう ippou	one (esp. of two); the other; one way
酸素	さんそ sanso	oxygen (O)
酸化	さんか sanka	oxidation; oxidization
文化	ぶんか bunka	culture; civilization; civilisation

Data: JMdict (CC BY-SA 4.0); KANJIDIC2 (CC BY-SA 4.0); KanjiVG (CC BY-SA 3.0); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.