| rotatory | 1. Turning as on an axis; rotary. 2. Going in a circle; following in rotation or succession; as, rotatory assembles. 3. <optics> Producing rotation of the plane of polarization; as, the rotatory power of bodies on light. See the Note under polarization. Origin: Cf. F. Rotatoire. See Rotate, Rotary. <zoology> A rotifer. Source: Websters Dictionary (01 Mar 1998) |
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| rotatory nystagmus | A movement of the eyes around the visual axis. (05 Mar 2000) |
| rotatory spasm | A disorder of unknown cause, manifested as a restricted dystonia, localised to some of the neck muscles, especially the sternomastoid and trapezius; occurs in adults and tends to progress slowly; the head movements increase with standing and walking and decrease with contractual stimuli, e.g., touching the chin or neck. Synonym: dystonic torticollis, rotatory spasm, rotatory tic. (05 Mar 2000) |
| rotatory tic | A disorder of unknown cause, manifested as a restricted dystonia, localised to some of the neck muscles, especially the sternomastoid and trapezius; occurs in adults and tends to progress slowly; the head movements increase with standing and walking and decrease with contractual stimuli, e.g., touching the chin or neck. Synonym: dystonic torticollis, rotatory spasm, rotatory tic. (05 Mar 2000) |
| optical rotatory dispersion | The method of measuring the dispersion of an optically active molecule to determine the relative magnitude of right- or left-handed components and sometimes structural features of the molecule. (12 Dec 1998) |
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