Англо-русский словарь технических терминов. 2005.

Смотреть что такое "astroid" в других словарях:

  • astroid — star shaped, 1897, from Gk. astroeides, from astron star (see ASTRO (Cf. astro )) + oeides (see OID (Cf. oid)) …   Etymology dictionary

  • Astroid — In mathematics, an astroid is a particular type of curve: a hypocycloid with four cusps.Astroids are also superellipses: all astroids are scaled versions of the curve specified by the equation:x^{2/3} + y^{2/3} = 1 ,.Its modern name comes from… …   Wikipedia

  • astroid — /as troyd/, n. Geom. a hypocycloid with four cusps. [ASTR(O) + OID] * * * …   Universalium

  • astroid — noun A hypocycloid with four cusps. See Also: asteroid, astronomy …   Wiktionary

  • astroid — Star shaped. [G. astroeides, fr. astron, star, + eidos, resemblance] …   Medical dictionary

  • Astroid — Her. Another term for a *mullet …   Dictionary of Medieval Terms and Phrases

  • astroid — n. hypocycloid figure with four cusps (Geometry) …   English contemporary dictionary

  • astroid — [ astrɔɪd] noun Mathematics a hypocycloid with four cusps (like a square with concave sides) …   English new terms dictionary

  • astroid — as·troid …   English syllables

  • astroid —   n. star shaped …   Dictionary of difficult words

  • astroid — I. ˈaˌstrȯid adjective Etymology: Greek astroeidēs starlike, from astr + oeidēs oid : shaped like a star II. noun ( s) Etymology: astr + oid : a hypocycloid of four cusps, the radius of the …   Useful english dictionary

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