- iron that has a low carbon content and is easily magnetized and demagnetized with a small hysteresis loss
- (as modifier)a soft-iron core
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for soft iron
The effect can be very greatly increased by providing the solenoid with a soft-iron core.The New Gresham Encyclopedia
Soft-iron electro-magnets, after being once magnetized, remain slightly magnetic.
Magnets retain their strength best when provided with soft-iron "keepers," as in Fig. 171.
A piece of brass wire, O, is soldered to the diaphragm disk B and the soft-iron armature H, to connect them solidly.The Boy Mechanic, Book 2
Soft-iron magnets having high permeability quickly lose their magnetism.