Japanese symbol for “nox”

ＮＯｘ

ノックス

Romaji: nokkusu

nitrogen oxide; NOx

In Japanese, nox is ＮＯｘ, read ノックス (nokkusu).

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

n nitrogen oxide; NOx (chem)

Written forms: ＮＯｘ. Readings: ノックス、エヌ・オー・エックス、エヌオーエックス.

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.