/ Dictionary / Index M maximum thermometer: Meaning and Definition of Find definitions for: max'imum thermom'eter Pronunciation: [key] a thermometer designed to show the highest temperature recorded between resettings. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. maximum-security maximum value theorem Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language