a·vi·a·tion

[ey-vee-ey-shuhn, av-ee-]
noun
1.
the design, development, production, operation, and use of aircraft, especially heavier-than-air aircraft.
2.
military aircraft.

Origin:
1865–70; < French; see avi-, -ation

a·vi·at·ic [ey-vee-at-ik, av-ee-] , adjective
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
aviation (ˌeɪvɪˈeɪʃən) [Click for IPA pronunciation guide]
 
n
1.  a.  the art or science of flying aircraft
 b.  the design, production, and maintenance of aircraft
2.  (US) military aircraft collectively
 
[C19: from French, from Latin avis bird]

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Aviation is always a great word to know.
So is interrobang. Does it mean:
a scrap or morsel of food left at a meal.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
Etymonline
Word Origin & History

aviation
1866, from Fr. aviation, from L. avis "bird" (see aviary). Coined 1863 by Fr. aviation pioneer Guillaume Joseph Gabriel de La Landelle (1812-1886) in "Aviation ou Navigation aérienne."
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
Icon aircraft has made aviation history before even finishing the final design
  of its first airplane.
These could be sprayed out of special aircraft-borne injectors, or produced by
  burning high-sulphur aviation fuel.
Civil aviation security exists to prevent criminal activity on aircraft and in
  airports.
However, the hazard of bird strikes have been known almost as long as the
  history of aviation.
Images for Aviation
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