Assertion: acronym radar | /r/HasProperty | coined by the u.s. navy
Facets:
value: in 1940
type: TEMPORAL
Source sentences:
text: The acronym RADAR (for RAdio Detection And Ranging) was coined by the U.S. Navy in 1940, and the subsequent name "radar" was soon widely used.
text: The acronym RADAR (for Radio Detection And Ranging) was coined by the U.S. Navy in 1940, and the term "radar" became widely used.