ultrapure

[ uhl-truh-pyoor ]
/ ˌʌl trəˈpyʊər /

adjective

extremely pure, especially without impurities: ultrapure silicon for semiconductors.

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Origin of ultrapure

First recorded in 1960–65; ultra- + pure

OTHER WORDS FROM ultrapure

ul·tra·pure·ly, adverbul·tra·pu·ri·ty, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020