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熱圏 (ねつけん, netsuken) Japanese meaning: thermosphere | Kotomora

熱ねつ圏けん

ね

つ

け

ん

Meanings

1

thermosphere

Scientific term for the atmospheric layer above the mesosphere, where temperature increases with altitude.

熱ねつ圏けんは中ちゅう間かん圏けんの上うえに位い置ちする大たい気きの層そうです。
The thermosphere is the atmospheric layer located above the mesosphere.

Kanji

熱heat, temperature, fever
圏sphere, circle, radius

Related words

対たい流りゅう圏けん
The troposphere is the lowest layer of the atmosphere, where weather occurs, unlike the thermosphere which is much higher.
中ちゅう間かん圏けん
The mesosphere lies directly below the thermosphere and is characterized by decreasing temperature with altitude.

Etymology

Compound of 熱 (netsu, 'heat') and 圏 (ken, 'sphere, zone'), referring to the hot atmospheric layer.

オーロラは熱ねつ圏けんで発はっ生せいします。

Auroras occur in the thermosphere.