Cite
 

Meaning of air-core

air-core

Pronunciation: (âr'kôr", -kōr"), [key]
— adj. Elect.
  1. having a nonmagnetic core, as one of fiber or plastic, encircled by a coilor containing one or more such coils: air-core transformer.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.