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旋転 (せんてん) Japanese meaning | Kotomora

旋せん転てん

せ

ん

て

ん

Meanings

1

noun, noun or participle which takes 'suru', transitive verb, intransitive verb

rotation; revolution; gyration

Refers to the act of turning around a center or axis, often used in technical or formal contexts. Can be used both transitively and intransitively.

地ち球きゅうは自じ転てん軸じくを中ちゅう心しんに旋せん転てんしている。
The Earth rotates around its axis.

モーター

が

高こう

速そく

で

旋せん

転てん

する

。

The motor spins at high speed.

彼かれはハンドルを旋せん転てんさせて車くるまの向むきを変かえた。

He turned the steering wheel to change the car's direction.

Kanji

旋rotation, go around
転revolve, turn around, change

Similar words

回かい転てん
回転 is the common word for rotation or revolution in everyday and technical contexts. 旋転 is more formal and less frequent, often used in specialized or literary descriptions.
自じ転てん
自転 specifically means rotation around one's own axis, as in the Earth's rotation. 旋転 can also mean rotation but is broader and less common.

Etymology

Compound of 旋 (turn, revolve) and 転 (revolve, turn). The exact historical derivation is uncertain, but the kanji combination naturally conveys rotational motion.