A0485500 (ăs′trē-ŏn′ĭks)n.(used with a sing. verb)1. Electronics used in astronautics.2. The adaptation of electronics for astronautics.[astr(onautics) + (av)ionics.]
astrionics
astrionics
[‚as·trē′än·iks] (electronics) The science of adapting electronics to aerospace flight.