Breadcrumb Home > Dictionary > Index A astrionics: Meaning and Definition of Find definitions for: as•tri•on•ics Pronunciation: (as"trē-on'iks), [key] — n. (used with a sing. v.) Rocketry. the science dealing with the application of electronics to astronautics. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. astringer astro- TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: sectarian Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language