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等温線 (とうおんせん) Japanese meaning | Kotomora

等とう温おん線せん

と

う

お

ん

せ

ん

Meanings

1

isotherm

A line on a map or chart connecting points of equal temperature. Used in meteorology, oceanography, and thermodynamics.

天てん気き図ずの等とう温おん線せんを見みると、前ぜん線せんの位い置ちが

わかる

。

By looking at the isotherms on the weather map, you can see the position of the front.

Kanji

等etc., and so forth, class (first)
温warm
線line, track

Related words

等とう圧あつ線せん
等圧線 is a line connecting points of equal atmospheric pressure, while 等温線 connects points of equal temperature.

Built from

等とう温おん+線せん

Etymology

Compound of 等 (equal), 温 (temperature), and 線 (line). A straightforward calque from Western scientific terminology.