Japanese symbol for “omega”

In Japanese, omega is Ω, read オメガ (omega).

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

1. n omega (last letter of the Greek alphabet)
2. n end; conclusion; ending; finality
3. n ohm (unit of electrical resistance) (physics)
4. n angular velocity (physics)

Written forms: Ω、ω. Readings: オメガ.

See also: Chinese symbol for “omega”.

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.