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adj. also i′so·met′ri·cal (-rĭ-kəl)
1. Of or exhibiting equality in dimensions or measurements.
2. Of or being a crystal system of three equal axes lying at right angles to each other.
3. Physiology Of or involving muscular contraction against resistance in which the length of the muscle remains the same.
A line connecting isometric points.
[From Greek īsometros, of equal measure : īso-, iso- + metron, measure; see mē- in Indo-European roots.]