/ Dictionary / Index H hypnology: Meaning and Definition of Find definitions for: hyp•nol•o•gy Pronunciation: (hip-nol'u-jē), [key] — n. the science dealing with the phenomena of sleep. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hypnoidal hypnone Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language