温 度 計(おんどけい)

おんどけい

noun

thermometer

science daily-life

1. thermometer; temperature gauge

An instrument for measuring temperature.

温度計(おんどけい)で熱(ねつ)を測(はか)る。

To take one's temperature with a thermometer.

部屋(へや)の温度計(おんどけい)が30度(ど)を示(しめ)している。

The room thermometer shows 30 degrees.

屋外(おくがい)の温度計(おんどけい)を見(み)たら、マイナス5度(ど)だったので驚(おどろ)いた。

When I looked at the outdoor thermometer, I was surprised to see it was minus 5 degrees.

温度(おんど) (temperature) + 計(けい) (meter, gauge). The general word for any device that measures temperature, whether a medical thermometer, a room thermometer, or an industrial temperature gauge.

Common collocations

温度計(おんどけい)で測(はか)る — measure with a thermometer
温度計(おんどけい)の目盛(めも)り — scale on a thermometer
温度計(おんどけい)が上(あ)がる — the thermometer rises
温度計(おんどけい)が下(さ)がる — the thermometer drops

Related words

体温計(たいおんけい) — clinical thermometer (specifically for body temperature)
寒暖計(かんだんけい) — thermometer (older term, emphasizing hot and cold)
湿度計(しつどけい) — hygrometer (humidity meter)
気圧計(きあつけい) — barometer

Related Words

Related: 温度(おんど)

Related: 体温計(たいおんけい) (clinical thermometer)

Related: 寒暖計(かんだんけい) (thermometer)

Related: 湿度計(しつどけい) (hygrometer)

Related: 気圧計(きあつけい) (barometer)

Related: 測(はか)る (to measure)

Compare: 雨量計(うりょうけい) (rain gauge)

general

Added 2026.4.27 1:26 · Revised 2026.9.2 13:02

25500/25699_ondokei