vanishingly

van·ish  (vnsh)

intr.v. van·ished, van·ish·ing, van·ish·es

1.

a. To pass out of sight, especially quickly; disappear. See Synonyms at disappear.

b. To pass out of existence.

2. Mathematics To become zero. Used of a function or variable.

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[Middle English vanisshen, alteration of Old French esvanir, esvaniss-, from Vulgar Latin *exvanre, alteration of Latin vnscere : -, ex-, ex- + vnscere, to vanish (from vnus, empty; see eu- in Indo-European roots).]

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vanish·er n.

vanish·ing·ly adv.

vanish·ment n.

Thesaurus

Adv.

1.

vanishingly - so as to disappear or approach zero; "errors are vanishingly rare"