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pyrotechnics

[pahy-ruh-tek-niks]
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noun (used with a singular or plural verb)
  1. the art of making fireworks.
  2. the use of fireworks for display, military purposes, etc.
  3. a display of fireworks.
  4. a brilliant or sensational display, as of rhetoric or musicianship.
  5. Military. ammunition containing chemicals for producing smoke or light, as for signaling, illuminating, or screening.
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Also py·ro·tech·ny (for defs 1, 2).

Origin of pyrotechnics

First recorded in 1710–20; see origin at pyrotechnic, -ics
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for pyrotechnics

pyrotechnics

noun
  1. (functioning as singular) the art or craft of making fireworks
  2. (functioning as singular or plural) a firework display
  3. (functioning as singular or plural) brilliance of display, as in the performance of musickeyboard pyrotechnics
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Also called: pyrotechny
Derived Formspyrotechnic or pyrotechnical, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for pyrotechnics

n.

1729, from pyrotechnic (also see -ics). Figurative sense is from 1901.

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Online Etymology Dictionary, © 2010 Douglas Harper