Breadcrumb Home > Dictionary > Index L Lexan: Meaning and Definition of Find definitions for: Lex•an Pronunciation: (lek'san), [key] — Chem., Trademark. Chem.,Trademark. a brand of hard, practically unbreakable polycarbonate resin, used for shatterproof windows and the like. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lex Lexell 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: febrile Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language