Word Pronunciation & Dictionary

acceleration

/əkˌsɛl.əˈɹeɪ.ʃən/

Word Rarity Rare

Frequency: 3.73 in modern English

Syllables: ac-ce-le-ra-tion
IPA: /əkˌsɛl.əˈɹeɪ.ʃən/

16

Scrabble Score

12

Letters

5

Syllables

9

Unique Chars

Meaning

noun

The act of accelerating, or the state of being accelerated; increase of motion or action; as opposed to retardation or deceleration.

Uncountable

noun

The amount by which a speed or velocity increases (and so a scalar quantity or a vector quantity).

Countable

noun

The change of velocity with respect to time (can include deceleration or changing direction).

Countable; Uncountable

noun

The advancement of students at a rate that places them ahead of where they would be in the regular school curriculum.

Countable; Uncountable

Example Sentences

"A falling body moves toward the earth with an acceleration of velocity."
"If you hear flutter on acceleration, it is dangerous surge."
"On the East and West Coast Main Lines in the 1950s/60s, for example, we saw the extinction of intermediate stations in order to create the same sort of accelerations that IRP is now promising. Back then, the priority was faster main line services, with wayside/intermediate stations paying the ultimate price."
"The boosters produce an acceleration of 20 metres per second per second."
"A period of social improvement, or of intellectual advancement, contains within itself a principle of acceleration […]"

Etymology

Etymology tree Proto-Indo-European *h₂éd Proto-Italic *ad Proto-Italic *ad- Latin ad- Proto-Indo-European *kel-der. Latin celer Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Indo-European *-h₂tiinflu. Proto-Italic *-ājō Proto-Italic *-āō Latin -ō Latin celerō Latin accelerō Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin accelerātiōder. English acceleration First attested in 1531. From French accélération or more likely directly from Latin accelerātiō (“a hastening, acceleration”). Equivalent to accelerate + -ion.

Origin

Source language: French

Word Breakdown

Root: *kel-, accélération, accelerātiō
Suffix: accelerate

Usage

Inflected Forms

accelerations (plural) acc. (alternative) a. (alternative)

Derived Forms

accelerational accelerationism accelerationist antiacceleration autoacceleration cardioacceleration celeration deacceleration microacceleration nonacceleration overacceleration postacceleration

Phrases

acceleration clause acceleration lane acceleration of freefall acceleration of gravity acceleration principle angular acceleration centripetal acceleration four-acceleration

Frequently Paired Words

displacement velocity jerk

Synonyms

quickening speedup

Antonyms

deceleration retardation

Rhymes With

information education situation population station association administration operation organization nation location application

Questions

How do you pronounce acceleration?: The recorded pronunciation is /əkˌsɛl.əˈɹeɪ.ʃən/.
What does acceleration mean?: The act of accelerating, or the state of being accelerated; increase of motion or action; as opposed to retardation or deceleration.
Where does acceleration come from?: It is traced to French.

How to pronounce acceleration

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