2 entries found for adamant.
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Main Entry: 1ad·a·mant
Pronunciation: ad--mnt, -mant
Etymology: Middle English adamant "an imaginary stone of great hardness, diamond," from early French adamant (same meaning), from Latin adamant-, adamas "hardest metal, diamond," from Greek adamant-, adamas (same meaning) --related to DIAMOND --see Word History at DIAMOND 1: an imaginary stone of great hardness 2: an unbreakable or extremely hard substance