high-grade

[ hahy-greyd ]
/ ˈhaɪˈgreɪd /

adjective

of excellent or superior quality.
(of ore) yielding a relatively large amount of the metal for which it is mined.

verb (used with object), high-grad·ed, high-grad·ing.

to steal (rich ore) from a mine.

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Origin of high-grade

First recorded in 1875–80

OTHER WORDS FROM high-grade

high-grader, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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