v. rare. [f. VEGETABLE sb. or a. + -IZE.] trans. and refl. To render vegetable; to convert into, or cause to resemble, a vegetable substance.

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a. 1843.  Encycl. Metrop., VII. 113. Having been vegetablized in the leaves, it [the sap] passes into vessels … in the bark.

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1869.  in Cosmopolitan, 19 Aug., 314. The mineral vegetablises itself, the vegetable animalises itself.

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a. 1891.  O’Neill, Dyeing & Calico Print., 36 (Cent. Dict.). Silk is to be vegetablized … by an immersion in a bath of cellulose dissolved in ammoniacal copper oxide.

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