The Collaborative International Dictionary
Equimomental
Equimomental \E`qui*mo*men"tal\, a. [Equi- + momental.] (Mech.) Having equal moments of inertia.
Note: Two bodies or systems of bodies are said to be equimomental when their moments of inertia about all straight lines are equal each to each.
Equimomental cone of a given rigid body, a conical surface that has any given vertex, and is described by a straight line which moves in such manner that the moment of inertia of the given rigid body about the line is in all its positions the same.
Wiktionary
equimomental
a. Having equal moment of inertia.