adamantoid

English

Etymology

From Ancient Greek ἀδάμας (adámas, “invincible”) + -ειδής (-eidḗs, “form”).

Noun

adamantoid (plural adamantoids)

1. A crystal characterized by being bound by 48 equal triangles; a hexoctahedron.

References

• “adamantoid”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.