| hypocycloid | <geometry> A curve traced by a point in the circumference of a circle which rolls on the concave side in the fixed circle. Cf. Epicycloid, and Trochoid. Origin: F. Hypocycloide. Source: Websters Dictionary (01 Mar 1998) |
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| hypocycloidal | A tricyclic motion used by mechanical tomography units to optimise blurring and reduce artifacts. Origin: hypo-+ G. Kuklos, circle, + -oeides, appearance (05 Mar 2000) |
| hypocycloidal t. |
tomography in which the path of the x-ray source is a hypocycloid, i.e., the path traced by a point on one circle rolling along inside the circumference of another circle.
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| hypocycloid | a line generated by a point on a circle that rolls around inside another circle |
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