释义 |
astroid
astroid (ˈæstrɔɪd) n (Mathematics) maths a hypocycloid having four cusps[C19: from astro- + -oid]astroid
astroid[′a‚strȯid] (mathematics) A hypocycloid for which the diameter of the fixed circle is four times the diameter of the rolling circle. astroid
as·troid (as'troyd), Star-shaped. [G. astroeidēs, fr. astron, star, + eidos, resemblance] astroid (1) Stellate. (2) An obsolete term for a stellate aggregate of neurofibrils formed by neuroglia. |