Breadcrumb Home > Dictionary > Index A allethrin: Meaning and Definition of Find definitions for: al•le•thrin Pronunciation: (al'u-thrin), [key] — n. Chem. a clear, amber, viscous liquid, CHO, used as an insecticide. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. allergy alleviant TrendingHere are the facts and trivia that people are buzzing about. Did Birds Evolve from Dinosaurs? The Twelve Dancing Princesses Current Events This Week: January 2023 African Americans by the Numbers Andersen's Fairy Tales: Contents The Celtic Twilight: A Teller of Tales ✖ Related Content Daily Word Quiz: limpid Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language