/ Dictionary / Index I isopycnic: Meaning and Definition of Find definitions for: i•so•pyc•nic Pronunciation: (ī"su-pik'nik), [key] — adj. having the same density. —n. a line drawn on a map connecting all points having the same density, as of water or air. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. isopterous isopyre Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language