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Wiktionary
naca

n. (context US English) (acronym of national National advisory Advisory committee Committee for aeronautics Aeronautics English)

Wikipedia
NACA (disambiguation)

NACA may refer to:

NACA (gene)

Nascent-polypeptide-associated complex alpha polypeptide, also known as NACA, is a protein which in humans is encoded by the NACA gene.

Usage examples of "naca".

Most recently he had been head of the NACA Pilotless Aircraft Research Division, which had experimented with unmanned rockets.