/ Dictionary / Index K Kolff: Meaning and Definition of Find definitions for: Kolff Pronunciation: (kōlf, kolf), [key] — n. born 1911, U.S. physician and inventor, born in the Netherlands: developed the artificial kidney machine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Koldewey Kolhapur Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language