rotation
rotation
意味(日本語)
回転、循環
語源
- rot- : L.rotare=to swing round(回転させる)、L.rota=a wheel(車輪)
意味(英語)
- (noun) The act or process of turning around a center or an axis: the axial rotation of the earth.
- (noun) A single complete cycle of such motion.
- (noun) Mathematics A transformation of a coordinate system in which the new axes have a specified angular displacement from their original position while the origin remains fixed.
- (noun) Regular and uniform variation in a sequence or series: a rotation of personnel; crop rotation.
- (noun) Games An order of shooting balls in billiards in which the ball with the lowest number on the table is always pocketed first.
例文
- My longest item in rotation is probably roast chicken with lemon and garlic.
語源が同じ単語を一緒に覚えよう
role
role
役割、配役、役目
語源
- rot- : L.rotare=to swing round(回転させる)、L.rota=a wheel(車輪)
rotary
rotary
ロータリー
語源
- rot- : L.rotare=to swing round(回転させる)、L.rota=a wheel(車輪)
rotate
rotate
回転する ◇L.rata(=輪)
語源
- rot- : L.rotare=to swing round(回転させる)、L.rota=a wheel(車輪)
rotational
rotational
回転の、交替の
語源
- rot- : L.rotare=to swing round(回転させる)、L.rota=a wheel(車輪)
rotund
rotund
丸々とふとった
語源
- rot- : L.rotare=to swing round(回転させる)、L.rota=a wheel(車輪)
rotundity
rotundity
丸いこと、肥満
語源
- rot- : L.rotare=to swing round(回転させる)、L.rota=a wheel(車輪)
rotunda
rotunda
(丸屋根のある)円形建築 ◇rotund
語源
- rot- : L.rotare=to swing round(回転させる)、L.rota=a wheel(車輪)
round
round
円、丸い
語源
- rot- : L.rotare=to swing round(回転させる)、L.rota=a wheel(車輪)
roundabout
roundabout
= rotary(米)、回り道の、ラウンドアバウト(英)環状公差路
語源
- rot- : L.rotare=to swing round(回転させる)、L.rota=a wheel(車輪)