/ Dictionary / Index L lysocline: Meaning and Definition of Find definitions for: ly•so•cline Pronunciation: (lī'su-klīn"), [key] — n. Oceanog. the depth of the ocean at which the solubility of calcium carbonate increases substantially. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lyso- lysogen Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language