/ Dictionary / Index L longitudinal coefficient: Meaning and Definition of Find definitions for: longitu'dinal coeffi'cient Pronunciation: [key] — Naval Archit. Naval Archit. the ratio of the immersed volume of a hull to the product obtained by multiplying its length on the water line by the immersed area of the midship transverse section, all assuming a given depth of immersion of the hull. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. longitudinal longitudinal framing Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language