Definify.com
Webster 1913 Edition
Rotation
Ro-ta′tion
,Noun.
[L.
rotatio
: cf. F. rotation
.] 1.
The act of turning, as a wheel or a solid body on its axis, as distinguished from the progressive motion of a revolving round another body or a distant point; thus, the daily turning of the earth on its axis is a rotation; its annual motion round the sun is a revolution.
2.
Any return or succesion in a series.
Moment of rotation
. See
– Moment of inertia
, under Moment
. Rotation in office
, the practice of changing public officers at frequent intervals by discharges and substitutions.
– Rotation of crops
, the practices of cultivating an orderly succession of different crops on the same land.
Ro-ta′tion
,Adj.
Pertaining to, or resulting from, rotation; of the nature of, or characterized by, rotation;
as,
. rotational
velocityWebster 1828 Edition
Rotation
ROTA'TION
,Noun.
1.
The act of turning, as a wheel or solid body on its axis, as distinguished from the progressive motion of a body revolving round another body or a distant point. Thus the daily turning of the earth on its axis, is a rotation; its annual motion round the sun is a revolution.2.
Vicissitude of succession; the course by which officers or others leave their places at certain times and are succeeded by others; applied also to a change of crops.