Present participle of causticize; the act or process of making something caustic, or used as an adjective to describe something actively becoming or being made caustic.
From causticize with the present participle suffix -ing. Used in technical discourse to describe ongoing or habitual processes in chemistry and industry.
In industrial reports, you'll find 'causticizing system' as a noun phrase describing equipment—the -ing form transforms an abstract verb into something that feels concrete and material, which is useful for engineers.
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