Spheroid Sphe"roid, n. [L. spheroides ball-like, spherical, Gr. ???; ???? sphere + e'i^dos form: cf. F. sph['e]ro["i]de.] A body or figure approaching to a sphere, but not perfectly spherical; esp., a solid generated by the revolution of an ellipse about one of its axes. [1913 Webster]

{Oblate spheroid}, {Prolate spheroid}. See {Oblate}, {Prolate}, and {Ellipsoid}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • spheroid — spheroid; spheroid·ic·i·ty; spheroid·ism; spheroid·iza·tion; spheroid·ize; …   English syllables

  • spheroid — index sphere Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • spheroid — 1660s, from L. sphaeroides, from Gk. sphairoeides, from sphaira (see SPHERE (Cf. sphere)) + oeides “form” (see OID (Cf. oid)) …   Etymology dictionary

  • spheroid — ► NOUN ▪ a sphere like but not perfectly spherical body. DERIVATIVES spheroidal adjective …   English terms dictionary

  • spheroid — [sfir′oid] n. [L sphaeroides < Gr sphairoeidēs: see SPHERE & OID] a body that is almost but not quite a sphere, esp. one generated by the rotation of an ellipse about one of its axes adj. of this shape: also spheroidal …   English World dictionary

  • Spheroid — A spheroid is a quadric surfaceobtained by rotating an ellipse about one of its principal axes; in other words, an ellipsoid with two equal semi diameters. If the ellipse is rotated about its major axis, the result is a prolate (elongated)… …   Wikipedia

  • spheroid —    A three dimensionalform shaped like a sphere but not perfectly round. An egg is typically a spheroid. Commonly a spheroid is an ellipsoid generated by revolving an ellipse around one of its axes. Also see conglobe and ovoid …   Glossary of Art Terms

  • spheroid — n. 1 a spherelike but not perfectly spherical body. 2 a solid generated by a half revolution of an ellipse about its major axis (prolate spheroid) or minor axis (oblate spheroid). Derivatives: spheroidal adj. spheroidicity n …   Useful english dictionary

  • spheroid — noun Date: 1570 a figure resembling a sphere; also an object of approximately spherical shape • spheroidal also spheroid adjective • spheroidally adverb …   New Collegiate Dictionary

  • spheroid —   n. sphere like figure.    ♦ spheroidal,    ♦ spheroidic, a.    ♦ spherometer, n. instrument measuring curvature.    ♦ spherule, n. small sphere or spheroid …   Dictionary of difficult words

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