polyhedroidn.adj.

Brit.

/ˌpɒlɪˈhiːdrɔɪd/, U.S.

/ˌpɑliˈhiˌdrɔɪd/

Origin: Formed within English, by derivation. Etymons: polyhedron n., -oid suffix.

Etymology: < polyhedron n. + -oid suffix.

Geometry.

= polytope n. Also occasionally as adj.

ΘΚΠ

the world > relative properties > number > geometry > shape or figure > [noun] > of more than three dimensions

polyhedroid1880

tesseract1888

polytope1908

snub1948

1880 W. I. Stringham in Amer. Jrnl. Math. 3 2 It will be convenient to designate as an n-fold polyhedroid the n-dimensional figure which is bounded by (n − 1)-fold flat (not curved) figures.

1972 C. S. Ogilvy Tomorrow's Math (ed. 2) iv. 79 A polytope is an n-dimensional polyhedroid.

1988 Jrnl. Math. Res. & Expos. 8 427 Let Ω be a polyhedroid domain in Rⁿ.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	polyhedroid
释义	polyhedroidn.adj. Brit. /ˌpɒlɪˈhiːdrɔɪd/, U.S. /ˌpɑliˈhiˌdrɔɪd/ Origin: Formed within English, by derivation. Etymons: polyhedron n., -oid suffix. Etymology: < polyhedron n. + -oid suffix. Geometry. = polytope n. Also occasionally as adj. ΘΚΠ the world > relative properties > number > geometry > shape or figure > [noun] > of more than three dimensions polyhedroid1880 tesseract1888 polytope1908 snub1948 1880 W. I. Stringham in Amer. Jrnl. Math. 3 2 It will be convenient to designate as an n-fold polyhedroid the n-dimensional figure which is bounded by (n − 1)-fold flat (not curved) figures. 1972 C. S. Ogilvy Tomorrow's Math (ed. 2) iv. 79 A polytope is an n-dimensional polyhedroid. 1988 Jrnl. Math. Res. & Expos. 8 427 Let Ω be a polyhedroid domain in Rⁿ. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.adj.1880
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