/ Dictionary / Index A apolipoprotein: Meaning and Definition of Find definitions for: ap•o•lip•o•pro•tein Pronunciation: (ap"u-lip"u-prō'tēn, -tē-in, -lī"pu-), [key] — n. Biochem. the lipid-free protein portion of a lipoprotein. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. apokatastasis apolitical Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language