v. rare1. [f. CAUSTIC + -ATE3.] trans. To render caustic; = CAUSTICIZE. Hence Causticated ppl. a.
1790. Wedgwood, in Phil. Trans., LXXX. 313. Salt of tartar causticated by quicklime.
So Causticator, one who applies, or advocates the application of, caustic.
1800. Med. Jrnl., III. 480. When radical cures have been confidently promised by the causticators.