ampere-turn

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A unit of magnetomotive force in the meter-kilogram-second system equal to the magnetomotive force around a path linking one turn of a conducting loop carrying a current of one ampere.

from the GNU version of the Collaborative International Dictionary of English.

• (Elec.) A unit of magnetomotive force equal to the product of one complete convolution (of a coiled conductor) into one ampère of current.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun the unit of magnetomotive force

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a unit of magnetomotive force equal to the magnetomotive force produced by the passage of 1 ampere through 1 complete turn of a coil; equal to 1.257 gilberts