Meaning of ROTATION in English


— rotational , adj.

/roh tay"sheuhn/ , n.

1. the act of rotating; a turning around as on an axis.

2. Astron.

a. the movement or path of the earth or a heavenly body turning on its axis.

b. one complete turn of such a body.

3. regularly recurring succession, as of officials.

4. Agric. See crop rotation .

5. Math.

a. an operation that rotates a geometric figure about a fixed point.

b. curl (def. 17).

6. Pool. a game in which the balls are played in order by number.

7. Baseball. See pitching rotation .

[ 1545-55; rotation- (s. of rotatio ) a rotation, rolling, equiv. to rotat ( us ) (see ROTATE 1 ) + -ion- -ION ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .