温 – Meaning, Reading & Usage

What does 温 mean in Japanese?

温 means “warm” in Japanese. You will often see it in practical words such as 温かい (warm), 温度 (temperature), and 温泉 (hot spring).

For learners, the key is to study 温 through real vocabulary. The examples below show how the kanji works in words, sentences, and related kanji.

Reading

On’yomi: オン (on)

Kun’yomi: あたた-か (atata-ka), あたた-める (atata-meru)

Basic Information

Kanji

How to Understand This Kanji

温 is not limited to one English translation. In 温かい (あたたかい), it means warm; in 温度 (おんど), it points to temperature; and in 温泉 (おんせん), it is used for hot spring. Reading these compounds side by side helps you understand the range of the kanji.

Common Words

  • 温かい(あたたかい / atatakai) — warm
  • 温度(おんど / ondo) — temperature
  • 温泉(おんせん / onsen) — hot spring
  • 体温(たいおん / taion) — body temperature
  • 温室(おんしつ / onshitsu) — greenhouse
  • 温水(おんすい / onsui) — warm water

Example Sentences

  • 温かいお茶を飲みました。

    あたたかいおちゃをのみました。 / Atatakai ocha o nomimashita.

    I drank warm tea.

  • 温度を少し下げてください。

    おんどをすこしさげてください。 / Ondo o sukoshi sagete kudasai.

    Please lower the temperature a little.

  • 週末に温泉へ行きます。

    しゅうまつにおんせんへいきます。 / Shūmatsu ni onsen e ikimasu.

    I will go to a hot spring this weekend.

When Learners Usually See This Kanji

Start with 温かい (あたたかい / atatakai) because it keeps the core meaning of 温 clear. Then add 温度 and 温泉 to see how the reading and meaning shift in real vocabulary. Do not memorize 温 as a single English word; connect it to actual words and example sentences.

Summary

温 means “warm” and appears in useful Japanese words such as 温かい, 温度, and 温泉.