axes of inertia

axes of inertia

[′ak‚sēz əv in′ər·shə]
(physics)
The three principal axes of inertia, namely, one about which the moment of inertia is a maximum, one about which the moment of inertia is a minimum, and one perpendicular to both.
References in periodicals archive ?
Correspondence analysis determines the principal axes of inertia and for each axis the corresponding eigenvalue, which is the same as the inertia of the cloud in the direction of the axis.
The disturbances cause the engine to rotate around three principal axes of inertia.