1.AdjectiveOf or exhibiting equality in dimensions.
2.AdjectiveBeing or relating to a geometric system of three equal axes lying at right angles to each other (especially in crystallography).
3.AdjectiveOf or involving muscular contraction against resistance in which the length of the muscle remains the same.
Of or involving moves and routines that produce such muscular contraction.
"isometric exercise"
4.AdjectiveOf or involving moves and routines that produce such muscular contraction.
"isometric exercise"
5.AdjectiveTaking place at constant volume because of being confined by rigid boundaries.