Noun
The act of turning or whirling, as around a fixed center; a circular or spiral motion; motion about an axis; rotation; revolution.
One of the whorls of a spiral univalve shell.
Source: Webster's dictionarythe plane made three rotations before it crashed Source: Internet
the revolution of the earth about the sun takes one year Source: Internet
All of them can be seen to be related to a regular or uniform polyhedron by gyration, diminishment, or dissection. Source: Internet
Each spin exhibits a characteristic frequency of gyration (relative to the field strength) which reveals information about the analyte. Source: Internet
If the principal moments of the two-dimensional gyration tensor are not equal, the column will tend to buckle around the axis with the smaller principal moment. Source: Internet
In addition there are 5 special honeycombs which don't have pure reflectional symmetry and are constructed from reflectional forms with elongation and gyration operations. Source: Internet