/ Dictionary / Index L lactoscope: Meaning and Definition of Find definitions for: lac•to•scope Pronunciation: (lak'tu-skōp"), [key] — n. an optical device for determining the amount of cream in milk. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lactoprotein lactose Related Content Daily Word Quiz: inane Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language