rotation, rotary motion
(noun) the act of rotating as if on an axis; “the rotation of the dancer kept time with the music”
rotation
(noun) a planned recurrent sequence (of crops or personnel etc.); “crop rotation makes a balanced demand on the fertility of the soil”; “the manager had only four starting pitchers in his rotation”
rotation, revolution, gyration
(noun) a single complete turn (axial or orbital); “the plane made three rotations before it crashed”; “the revolution of the earth about the sun takes one year”
rotation
(noun) (mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin
Source: WordNet® 3.1
rotation (countable and uncountable, plural rotations)
(chiefly, uncountable) The act of turning around a centre or an axis.
A single complete cycle around a centre or an axis.
A regular variation in a sequence, such as to even-out wear, or people taking turns in a task; a duty roster.
(mathematics, geometry) An operation on a metric space that is a continuous isometry and fixes at least one point.
(baseball) The set of starting pitchers of a team.
(aviation) The step during takeoff when the pilot commands the vehicle to lift the nose wheel off the ground during the takeoff roll. (see also: V2)
Repeated play on a radio station, etc.
• turning
• revolution
• rota, roster, duty roster, schedule, turn, turn and turn about, cycling
• (mathematics): isometry, transformation
Source: Wiktionary
Ro*ta"tion, n. Etym: [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, a.
Definition: Pertaining to, or resulting from, rotation; of the nature of, or characterized by, rotation; as, rotational velocity.
Source: Webster’s Unabridged Dictionary 1913 Edition
25 February 2025
(adverb) (spatial sense) seeming to have no bounds; “the Nubian desert stretched out before them endlessly”
Coffee dates back to the 9th century. Goat herders in Ethiopia noticed their goats seem to be “dancing” after eating berries from a particular shrub. They reported it to the local monastery, and a monk made a drink out of it. The monk found out he felt energized and kept him awake at night. That’s how the first coffee drink was born.
