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crucible

[kroo-suh-buhl] Origin

cru·ci·ble

[kroo-suh-buhl]
noun
1.
a container of metal or refractory material employed for heating substances to high temperatures.
2.
Metallurgy. a hollow area at the bottom of a furnace in which the metal collects.
3.
a severe, searching test or trial.

Origin:
1400–50; late Middle English crusible, corusible < Medieval Latin crucibulum; compare Anglo-French crusil, Old French croi-suel, croisol night lamp, crucible < Gallo-Romance *croceolus (of uncertain origin), probably Latinized on the model of tūribulum thurible
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Crucible is always a great word to know.
So is universal gravitation. Does it mean:
says universe's massive particles attract other such particles with force proportional to their mass
single, usually sudden, flow of current in one direction
Collins
World English Dictionary
crucible (ˈkruːsɪbəl)
 
n
1.  a vessel in which substances are heated to high temperatures
2.  the hearth at the bottom of a metallurgical furnace in which the metal collects
3.  a severe trial or test
 
[C15 corusible, from Medieval Latin crūcibulum night lamp, crucible, of uncertain origin]

Crucible (ˈkruːsɪbəl)
 
n
the Crucible a Sheffield theatre, venue of the annual world professional snooker championship

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

crucible
mid-15c., from M.L. crucibulum "melting pot for metals," originally "night lamp." First element might be M.H.G. kruse "earthen pot." Used of any severe test or trial since 1645.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
crucible   (kr'sə-bəl)  Pronunciation Key 
A heat-resistant container used to melt ores, metals, and other materials.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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