inertia

Pronunciation

• (UK) (AU) IPA ^(key): /ɪnˈɜː.ʃə/ or /ɪˈnɜː.ʃə/
• (US) IPA ^(key): /ɪnˈɝ.ʃə/ or /ɪˈnɝ.ʃə/

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• Audio (US)

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Noun

Singular inertia

Plural inertias or inertiae

1. (countable & uncountable) (physics) Inertia is a body's reluctance to change its state of motion.