Definify.com
Webster 1913 Edition
Gyration
Gy-ra′tion
(jī̍-rā′shŭn)
, Noun.
1.
The act of turning or whirling, as around a fixed center; a circular or spiral motion; motion about an axis; rotation; revolution.
The
gyrations
of an ascending balloon. De Quincey.
If a burning coal be nimbly moved round in a circle, with
gyrations
continually repeated, the whole circle will appear like fire. Sir I. Newton.
2.
(Zool.)
One of the whorls of a spiral univalve shell.
Center of gyration
. (Mech.)
See under
– Center
. Radius of gyration
, the distance between the axis of a rotating body and its center of gyration.
Rankine.
Webster 1828 Edition
Gyration
GYRA'TION
,Noun.
GYRE, n. [L. gyrus.] A circular motion, or a circle described by a moving body; a turn.
Quick and more quick he spins in giddy gyres.
Definition 2024
gyration
gyration
English
Noun
gyration (plural gyrations)
- The act of turning or whirling, as around a fixed center; a circular or spiral motion; motion about an axis; rotation; revolution.
- 1881, Symon's monthly meteorological magazine (page 59)
- If you question a seaman on the subject, whether mere coaster or circumnavigator, he will tell you that in a snow-storm, because of its constant eddyings and gyrations, frequent trimming of sails is more necessary than in any other gale […]
- 1881, Symon's monthly meteorological magazine (page 59)
- One of the whorls of a spiral univalve shell.
- Appropriate arrangement of convolutions of gyri in the cerebral cortex.