1. related by an isometry • Pertains to noun: isometry • Derivationally related forms: isometry • Topics: mathematics, math, maths 2. of or involving muscular contraction in which tension increases while length remains constant • Ant: isotonic • Topics: physiology 3. having equal dimensions or measurements • Syn: isometrical • Similar to: equal • Derivationally related forms: isometry (for: isometrical), isometry 4. of a crystal system characterized by three equal axes at right angles • Similar to: cubic, three-dimensional • Topics: crystallography