accelerator

English

Etymology

• First attested in 1611.
• (motor vehicle): First attested in 1900.
• accelerate +‎ -or

Pronunciation

• IPA^(key): /æk.ˈsɛl.ə.ˌɹeɪ.tɚ/, /æk.ˈsɛl.ə.ˌɹeɪt.ɚ/, /ɪk.ˈsɛl.ə.ˌɹeɪt.ɚ/

• Audio (US):

  (file)

Noun

accelerator (plural accelerators)

1. One who, or that which, accelerates.
2. A device for causing acceleration.
3. (chemistry) A substance which speeds up chemical reactions.
4. (vehicles) A pedal causing the vehicle to accelerate when it is pressed.
5. (photography) A chemical that reduces development time.
6. (physics) A device that accelerates charged subatomic particles.
7. (physiology, medicine) A muscle or nerve that speed the performance of an action.
8. (computing) An accelerator key.
   • 2002, Davis Howard Chapman, Sams Teach Yourself Visual C++ .NET in 21 Days, page 187:

     If they had allowed single-character accelerators, Windows wouldn't be able to determine whether the character was input or a shortcut.

9. (historical) A light van to take mails between a post office and a railway station.

Synonyms

(accelerator pedal):

• (North America) gas pedal, gas
• throttle
• go pedal

(accelerates subatomic particles):

• particle accelerator
• atom smasher

Derived terms

Derived terms

• accelerator card, (computers): a device that speeds up computer processing
• accelerator key, (computers): a key which a user can press to activate a menu or other element
• accelerator nerves, (physiology): nerves that speed up a bodily function

• accelerator pedal, (automotive): a pedal used to control a vehicle's speed
• particle accelerator

Translations

one who, or that which, accelerates

• Armenian: արագացուցիչ (hy) (aragacʻucʻičʻ)
• Bulgarian: ускорител (uskoritel)
• Catalan: accelerador m
• Danish: accelerator c
• Finnish: kiihdyttäjä
• French: accélérateur (fr) m
• German: Beschleuniger (de) m
• Interlingue:
• Macedonian: забрзувач m (zabrzuvač)
• Malay: pemecut
• Middle Persian: 𐭠𐭱𐭲𐭠𐭯𐭢𐭥 (ōštābgar)
• (deprecated template usage) {{trans-mid}}
• Norwegian:

  Bokmål: akselerator (no) m

  Nynorsk: akselerator m

• Persian: شتابگر (fa) (šetâbgar)
• Portuguese: acelerador (pt) m
• Romanian: accelerator (ro) m, iuțitor m, repezitor m
• Russian: ускори́тель (ru) m (uskorítelʹ)
• Spanish: acelerador (es) m
• Tagalog: pandarasig

device for causing acceleration

• Armenian: արագացուցիչ (hy) (aragacʻucʻičʻ)
• Bulgarian: ускорител (uskoritel)
• Catalan: accelerador m
• Danish: accelerator c
• Dutch: versneller (nl) m
• Esperanto: akcelilo
• Finnish: kiihdytin (fi)
• French: accélérateur (fr) m
• German: Beschleuniger (de) m
• Interlingua: accelerator
• Interlingue:
• Macedonian: забрзувач m (zabrzuvač)
• (deprecated template usage) {{trans-mid}}
• Malay: pemecut
• Norwegian:

  Bokmål: akselerator (no) m

  Nynorsk: akselerator m

• Portuguese: acelerador (pt)
• Romanian: accelerator (ro) n
• Russian: ускори́тель (ru) m (uskorítelʹ)
• Spanish: acelerador (es) m
• Swedish: accelerator (sv) c
• Tagalog: pandarasig

substance which speeds up chemical reactions

• Armenian: կատալիզատոր (hy) (katalizator)
• Bulgarian: катализатор (bg) (katalizator)
• Danish: katalysator c
• Dutch: katalysator (nl) m
• Finnish: katalyytti (fi), kiihdytin (fi)
• German: Beschleuniger (de) m, Katalysator (de) m
• (deprecated template usage) {{trans-mid}}
• Macedonian: катализа́тор m (katalizátor)
• Malay: pencepat
• Russian: катализа́тор (ru) m (katalizátor)
• Swedish: accelerator (sv) c

accelerator pedal

• Armenian: արագարար (hy) (aragarar), աքսելերատոր (akʻselerator), գազ (hy) (gaz) (colloquial)
• Bulgarian: педал за газта (pedal za gazta)
• Danish: gaspedal c, speeder c
• Dutch: gaspedaal (nl) n
• Esperanto: akcelilo
• Finnish: kaasupoljin (fi)
• French: accélérateur (fr) m, champignon (fr) (colloquial)
• German: Gaspedal (de) n
• Hungarian: gázpedál (hu)
• Italian: acceleratore (it)
• Japanese: アクセル (ja) (akuseru)
• (deprecated template usage) {{trans-mid}}
• Macedonian: педал за гас m (pedal za gas)
• Norwegian:

  Bokmål: gasspedal (no) m

  Nynorsk: gasspedal m

• Portuguese: acelerador (pt) m
• Romanian: pedală de accelerare f, accelerator (ro) n
• Russian: педа́ль га́за f (pedálʹ gáza), газ (ru) m (gaz), акселера́тор (ru) m (akselerátor)
• Spanish: acelerador (es) m, (colloquial, Chile) chala (es) f, chancla (es) f (Costa Rica), chancleta (es) f (Colombia), chola (es) f (Venezuela)
• Swedish: gaspedal (sv) c
• Tagalog: silinyador

photography: chemical that reduces development time

• (deprecated template usage) {{trans-mid}}
• Portuguese: acelerador (pt) m

physics: device that accelerates charged particles

• Finnish: kiihdytin (fi)
• (deprecated template usage) {{trans-mid}}
• Russian: ускори́тель (ru) m (uskorítelʹ)

physiology, medical: muscle or nerve that accelerates an action

• (deprecated template usage) {{trans-mid}}

computing: accelerator key — see accelerator key

historical: light van

• Finnish: kiihdytin (fi)
• (deprecated template usage) {{trans-mid}}

program for startup companies

• Chinese:

  Mandarin: 種子加速器／种子加速器

• Finnish: kiihdyttämö (fi)
• French: accélérateur (fr) m
• (deprecated template usage) {{trans-mid}}
• Norwegian:

  Bokmål: akselerator (no) m

  Nynorsk: akselerator m

• Spanish: aceleradora de startups f, aceleradora de semillas

Anagrams

• retrocaecal

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Latin

Verb

(deprecated template usage) accelerātor

1. second-person singular future passive imperative of accelerō
2. third-person singular future passive imperative of accelerō

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Swedish

Noun

accelerator c

1. (chemistry) accelerator; a substance which speeds up chemical reactions.
2. (physics) accelerator; a device which accelerates different kinds of particles to large velocities

Declension

Declension of accelerator
	Singular		Plural
	Indefinite	Definite	Indefinite	Definite
Nominative	accelerator	acceleratorn	acceleratorer	acceleratorerna
Genitive	accelerators	acceleratorns	acceleratorers	acceleratorernas