Japanese word

自転

Pronunciation

Romajijiten

Meaning

  • nounspin

Example

地球は一日に一回自転します。chi kyū wa ichi nichi ni ichi kai ji ten shi ma su

The Earth spins once a day.

Illustration for 自転 (spin)

More examples

地球の自転によって、昼と夜が生まれます。chi kyū no ji ten ni yo tte hiru to yoru ga u ma re ma su

Day and night are created by the Earth's rotation.

Core concept

Describes an object turning around its own axis rather than moving around another object.

Common phrases

  • 地球の自転chi kyū no ji ten

    Earth's rotation

  • 自転の速さji ten no haya sa

    speed of rotation

  • 自転の向きji ten no mu ki

    direction of rotation

Similar words

回転kaiten: A circular movement around a center or axis, including movement around an external center.

Definition in Japanese

物体や天体が、自分の軸を中心に回ること。but tai ya ten tai ga ji bun no jiku o chū shin ni mawa ru ko to

Word origin

自転 (jiten) combines 自 (ji, "self") and 転 (ten, "turn"), describing an object turning around its own axis.

Usage tips

  • In simple conversation, 自転 (jiten) is often contrasted with 公転 (kōten) when explaining Earth's daily rotation and yearly orbit.

Related words

  • 自転するjitensuruspinverb

Word lists with this word