Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Gyration \Gy*ra"tion\ (j[-i]*r[=a]"sh[u^]n), n.
1. The act of turning or whirling, as around a fixed center;
a circular or spiral motion; motion about an axis;
rotation; revolution.
[1913 Webster]
The gyrations of an ascending balloon. --De Quincey.
[1913 Webster]
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.
[1913 Webster]
2. (Zool.) One of the whorls of a spiral univalve shell.
[1913 Webster]
{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.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
gyration
n 1: 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" [syn: {rotation},
{revolution}, {gyration}]
2: the act of rotating in a circle or spiral [syn: {gyration},
{whirling}]
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