Conelrad

[ kon-l-rad ]
/ ˈkɒn lˌræd /

noun

a system formerly used by the U.S. civil defense system to prevent enemy planes or missiles from homing on radio and television frequencies.

Origin of Conelrad

1955–60; con(trol of) el(ectromagnetic) rad(iation)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019