| gyroma | A turning round. Origin: NL, fr. Gr. To round, bend, fr. Round. Source: Websters Dictionary (01 Mar 1998) |
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| gyromagnetic ratio | In nuclear magnetic resonance, the ratio of the magnetic dipole moment of the nucleus to the nuclear spin angular momentum; the gyromagnetic ratio is a unique value for each type of nucleus. Synonym: magnetogyric ratio. (05 Mar 2000) |
| gyromancy | A kind of divination performed by drawing a ring or circle, and walking in or around it. Origin: Gr. Ring, circle + -mancy: cf. F. Gyromancie. Source: Websters Dictionary (01 Mar 1998) |