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Avogadro’s constant
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avoidance
avoidant personality disorder
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avionics

a·vi·on·ics [ àyvee ónniks ]


noun 
Definition:
 
technology applied to aircraft and spacecraft: the development and use of electric and electronic equipment for aircraft and spacecraft ( takes a singular verb )



plural noun 
Definition:
 
plane or spacecraft technological devices: the electrical and electronic equipment of an aircraft or spacecraft ( takes a plural verb )

[Mid-20th century. Blend of aviation + electronics]

a·vi·on·ic adjective
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