acceleration

From Wiktionary

[change] Pronunciation

• enPR: əksĕlərā'shən
• IPA: /ək.sɛl.əˈreɪ.ʃən/
• SAMPA: /@ksEl@"reIS@n/
•  Audio (US)^{help, file}

[change] Noun

Singular acceleration

Plural accelerations

(countable & uncountable)

1. (uncountable) Acceleration is a change in speed.

   As the plane took off, the acceleration pressed her into her seat.

2. (countable) Acceleration is by how much a speed or velocity goes up.