Breadcrumb Home > Dictionary > Index Z zener diode: Meaning and Definition of Find definitions for: ze'ner di"ode Pronunciation: (zē'nur), [key] — Electronics. Electronics. a semiconductor diode across which the reverse voltage remains almost constant over a wide range of currents, used esp. to regulate voltage. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. zendo Zenger TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: anomie Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language