/ Dictionary / Index D dialyzer: Meaning and Definition of Find definitions for: di•a•lyz•er Pronunciation: (dī'u-lī"zur), [key] — n. an apparatus containing a semipermeable membrane for dialysis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dialyzer (Thesaurus) dialyze diam. Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language