NACA
Definitions
Initialism of National Advisory Committee for Aeronautics.
US, abbreviation, alt-of, initialism
Examples
“After a long series of tests, the N.A.C.A. has produced 18 gage sheet ejector type⟳ of manifold, in which the steel temperature is lowered below the ignition point⟳ of gasoline.”
CEFR level
B1
Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.
This word is part of the CEFR B1 vocabulary — intermediate level.
Know this word better than we do? Language is a living thing — help us keep it growing. Collaborate with Babel Free