Having been made caustic through a process of caustification; rendered caustic in nature or composition.
Past participle of caustify, using the -fied suffix pattern from Latin -ficus. An alternative past participle formation alongside 'causticized.'
English has multiple past tenses and participles for the same concept—'caustified' and 'causticized' compete for the same meaning, showing how specialized vocabularies develop multiple pathways before standardizing on single forms.
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