Relating to or affecting cosmetics; of or pertaining to beauty treatments or makeup.
From Greek 'kosmetikos' (skilled in adornment), derived from 'kosmein' (to arrange, adorn). The adjective form relates to the noun 'cosmetic', with the '-etic' suffix common in scientific terminology.
While 'cosmetic' is common, its rarer adjectival cousin 'cometic' appears in medical and scientific contexts—showing how English keeps technical variants of everyday words for specialized professional use.
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