King's Kung-Fu& Tai Chi

Japanese symbol for “thermal”

Romaji: onnetsusei
thermal

In Japanese, thermal is , read (onnetsusei).

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. adj-na thermal

Kanji and stroke order

warm
on: オン
kun: あたた.か、あたた.かい、あたた.まる、あたた.める
12 strokes · JLPT 2
heat, temperature, fever
on: ネツ
kun: あつ.い
15 strokes · JLPT 2
sex, gender, nature
on: セイ、ショウ
kun: さが
8 strokes · JLPT 2

Other Japanese words for “thermal”

WordReadingMeaning
サーマル saamaruthermal

Related words

Words that share a kanji.

WordReadingMeaning
おんせん onsenhot spring
きおん kion(air) temperature
おんど ondotemperature
おんだん ondanwarm; mild; temperate
たいおん taionbody temperature
こうおん kouonhigh temperature
ねっしん nesshinzealous; enthusiastic; ardent
あつい atsuihot (to the touch)
じょせい joseiwoman; female

See also: Chinese symbol for “thermal”.

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.

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