What does inertial mean?
Relating to or denoting a body that remains at rest or in uniform motion in a straight line unless acted upon by an external force; not subject to the effects of a force, such as friction or air resistance.
Example
"The spacecraft maintained its inertial state for several hours before the engines were fired."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.