verb (used without object), detonated, detonating.
to explode with suddenness and violence.
verb (used with object), detonated, detonating.
to cause (something explosive) to explode.

1720–30; < Latin dētonātus thundered forth (past participle of dētonāre), equivalent to dē- de- + ton(āre) to thunder + -ātus -ate1

detonable [det-n-uh-buhl] , detonatable, adjective
detonability, detonatability, noun
nondetonating, adjective
undetonated, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
detonate (ˈdɛtəˌneɪt)
to cause (a bomb, mine, etc) to explode or (of a bomb, mine, etc) to explode; set off or be set off
[C18: from Latin dētonāre to thunder down, from de- + tonāre to thunder]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1729, from L. detonat-, pp. stem of detonare (see detonation).
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
When detonated, the individual flashes created brilliant rings of fire in a
  cone formation.
The earlier model's explosives detonated three to five microseconds after a
  warhead strike.
It was later revealed that a captain and a lieutenant had planted the
  explosives, which detonated by mistake.
What caught almost everyone off-guard was the tear-gas canister that was
  detonated in the debating chamber.
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