Isorropic \I`sor*rop"ic\, a. [Gr. 'iso`rropos in equipoise; 'i`sos equal + "roph` downward inclination or momentum.]

Of equal value.

Isorropic line (in a diagram) (Geom.), the locus of all the points for which a specified function has a constant value. --Newcomb.

Source: Webster's Revised Unabridged Dictionary (1913)