/ Dictionary / Index C Chronotron: Meaning and Definition of Find definitions for: Chron•o•tron Pronunciation: (kron'u-tron", krō'nu-), [key] — Trademark. Trademark. a brand name for a device for measuring extremely brief time intervals by comparing electric pulses. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chronotherapy chronotropic Related Content Daily Word Quiz: menagerie Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language