[-ING2.] That curdles.

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  1.  trans. (In quots. = blood-curdling.)

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1821.  Shelley, Prometh. Unb., II. iii. Under the curdling winds.

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1863.  Whyte-Melville, Gladiators, I. 364. A curdling horror that weighed down the limbs like lead.

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  2.  intr.

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1699.  Garth, Dispens., 15. A while his curdling Blood forgot to glide.

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1886.  R. C. Leslie, Sea-painter’s Log, 110. Here and there a … wave … breaks into curdling foam.

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