Kolff

[ kohlf, kolf ]
/ koʊlf, kɒlf /

noun

Wil·lem J(o·han) [wil-uhm -yoh-hahn, -han], /ˈwɪl əm ˈyoʊ hɑn, -hæn/, 1911–2010, U.S. physician and inventor, born in the Netherlands: developed the artificial kidney machine.

QUIZZES

LEARN THE SPANISH WORDS FOR THESE COMMON ANIMALS!

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021