Etymology

adamantoid

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Today it means: A crystal characterized by being bound by 48 equal triangles; a hexoctahedron. Full definition →

Ancient Greek ἀδάμας
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The story

  1. Ancient Greek · derived fromἀδάμας“invincible”
  2. English todayadamantoid

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

Words from the same roots

Ancient Greekἀδάμας all →

adamantadamanceadamancy

Etymology from Wiktionary, CC BY-SA 4.0.