Word Pronunciation & Dictionary

proper acceleration

Word Rarity Rare

Frequency: Zipf frequency 3.69 in modern English

Syllables
prop-er ac-cel-er-a-tion
IPA
26
Scrabble Score
18
Letters
6
Syllables
10
Unique Chars

Meaning

Inflected Forms

Questions

What does proper acceleration mean?
The acceleration felt by an object, as opposed to the coordinate acceleration. For example the acceleration of an object at the surface of the Earth is 9.81 m/s² upwards, but has no coordinate acceleration. The proper acceleration of an object is Lorentz invariant.

How to pronounce proper acceleration

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