/ Dictionary / Index Q Qui Nhon: Meaning and Definition of Find definitions for: Qui Nhon Pronunciation: (kwē nyôn'), [key] a seaport in SE Vietnam, on the South China Sea coast. 213,757. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. quinestrol quinhydrone Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language