olemus
samamõõtmeline

Wiktionary, adj:
1. of, or exhibiting equality in dimensions
2. of, or being a geometric system of three equal axes lying at right angles to each other (especially in crystallography).
3. (physiology) of or involving muscular contraction against resistance in which the length of the muscle remains the same

(1) matemaatikas:
vt isomeetria

(2) graafikas:
ruumilise objekti üks tasandil esituse viise:
kõigi kolme mõõtme mastaap on ühesugune
https://en.wikipedia.org/wiki/Isometric_projection

(3) kehakultuuris:
staatiline (jõuharjutuste liigina)
https://en.wikipedia.org/wiki/Isometric_exercise