from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Exercise or a system of exercises in which isometric muscular contraction is used to strengthen and tone muscles, performed by the exertion of effort against resistance, usually of a stationary object.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Plural form of isometric.
from the GNU version of the Collaborative International Dictionary of English
- n. Same as isometric exercise.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. muscle-building exercises (or a system of musclebuilding exercises) involving muscular contractions against resistance without movement (the muscles contracts but the length of the muscle does not change)
Sorry, no etymologies found.