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irrefrangible

 - 3 dictionary results

ir⋅re⋅fran⋅gi⋅ble

  [ir-i-fran-juh-buhl]
Use irrefrangible in a Sentence
–adjective
1. not to be broken or violated; inviolable: an irrefrangible rule of etiquette.
2. incapable of being refracted.
Origin:
1710–20; ir- 2 + refrangible

Related forms:
ir⋅re⋅fran⋅gi⋅bil⋅i⋅ty, ir⋅re⋅fran⋅gi⋅ble⋅ness, noun
ir⋅re⋅fran⋅gi⋅bly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To irrefrangible
ir·re·fran·gi·ble   (ĭr'ĭ-frān'jə-bəl)   
adj.  

  1. Impossible to break; indestructible: irrefrangible cookware.

  2. Physics That cannot be refracted.

ir're·fran'gi·bly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

irrefrangible 
c.1719, "that cannot be broken," from in- "not" + refrangible, from re- "back" + L. frangere "to break" (see fraction).
Online Etymology Dictionary, © 2001 Douglas Harper
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