Webster's Revised Unabridged Dictionary · 1913

Isorropic

Isorropic , adjective

[Greek 'iso`rropos in equipoise; 'i`sos equal + "roph` downward inclination or momentum.]

Of equal value.
Collocations (1)
Isorropic line (Geometry) , the locus of all the points for which a specified function has a constant value. — Newcomb