Dictionary
iner'tial guid'ance
Navig.
a guidance system for an aerospace vehicle, in which self-contained devices determine the vehicle's course on the basis of the directions and magnitudes of the accelerations it undergoes in flight. Also called
iner'tial naviga'tion. Cf.
celestial guidance, command guidance.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.