adjective
inertial
ih-NUR-shuhl
adjective
1
Relating to or based on inertia.
"Submarines use inertial navigation systems that don't rely on satellites."
"The rocket's guidance depends on inertial sensors tracking acceleration."
How to Use Inertial
Learner’s notesIn plain EnglishDescribing something to do with inertia, as in the science or engineering sense.
Common pairings
inertial navigation
inertial guidance
inertial frame
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Submarines use _____ navigation systems that don't rely on satellites.
Etymology
From inertia + the adjective-forming suffix -al.