accelerator

English

Etymology

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

Pronunciation

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

  • Audio (US):

    (file)

Noun

accelerator (plural accelerators)

1. One who, or that which, accelerates.

   The Second World War is said to have been a great accelerator for many scientific findings.

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.

   As soon as you get onto the slipway, push the accelerator.

5. (photography) A chemical that reduces development time.
6. (physics) A device that accelerates charged subatomic particles; a particle accelerator.
7. (physiology, medicine) A muscle or nerve that speeds 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. (computing) A computer component using dedicated hardware to accelerate the processing and display of graphics.
10. (historical) A light van to take mails between a post office and a railway station.
11. (business) A mentoring program for startup companies.
    • 2016 October 3, Tad Friend, “Sam Altman’s Manifest Destiny”, in The New Yorker‎^[1]:

      In the nineties, before the accelerator era, startups were usually launched by mid-career engineers or repeat entrepreneurs, who sought millions in venture capital and then labored in secret on something complicated that took years to launch.

Synonyms

(accelerator pedal):

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

(accelerates subatomic particles):

• particle accelerator
• atom smasher

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 mass spectrometry
• accelerator nerves, (physiology): nerves that speed up a bodily function
• accelerator pedal, (automotive): a pedal used to control a vehicle's speed
• cardioaccelerator
• hit the accelerator
• laser-plasma accelerator
• particle accelerator
• plasma accelerator
• plasma wakefield accelerator
• preaccelerator

 

Translations

one who, or that which, accelerates

• Arabic: مُسَرِّع m (musarriʕ)
• Armenian: արագացուցիչ (hy) (aragacʻucʻičʻ)
• Belarusian: паскара́льнік m (paskarálʹnik)
• Bulgarian: ускори́тел m (uskorítel)
• Catalan: accelerador m
• Danish: accelerator c
• Finnish: kiihdyttäjä
• French: accélérateur (fr) m
• German: Beschleuniger (de) m
• Macedonian: забрзувач m (zabrzuvač)
• Malay: pemecut
• Middle Persian: 𐭠𐭱𐭲𐭠𐭯𐭢𐭥 (ʾštʾpgʿ /⁠ōštābgar⁠/)
• 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
• Swedish: accelerator (sv) c
• Tagalog: pandarasig
• Ukrainian: приско́рювач (uk) m (pryskórjuvač)

device for causing acceleration

• Arabic: مُعَجِّل m (muʕajjil)
• Armenian: արագացուցիչ (hy) (aragacʻucʻičʻ)
• Breton: паскара́льнік m
• Bulgarian: ускори́тел m (uskorítel)
• Catalan: accelerador m
• Czech: urychlovač m
• Danish: accelerator c
• Dutch: versneller (nl) m
• Esperanto: akcelilo
• Finnish: kiihdytin (fi)
• French: accélérateur (fr) m
• German: Beschleuniger (de) m
• Hindi: त्वरक (tvarak)
• Interlingua: accelerator
• Kazakh: үдеткіш (üdetkış)
• Macedonian: забрзувач m (zabrzuvač)
• Malay: pemecut
• Norwegian:

  Bokmål: akselerator (no) m

  Nynorsk: akselerator m

• Polish: akcelerator (pl) m
• Portuguese: acelerador (pt)
• Romanian: accelerator (ro) n
• Russian: ускори́тель (ru) m (uskorítelʹ)
• Slovak: urýchľovač m
• Slovene: pospeševalnik m
• Spanish: acelerador (es) m
• Swahili: kichapuzi
• Swedish: accelerator (sv) c
• Tagalog: pandarasig
• Ukrainian: приско́рювач (uk) m (pryskórjuvač)

substance which speeds up chemical reactions

• Armenian: կատալիզատոր (hy) (katalizator)
• Bulgarian: катализа́тор (bg) m (katalizátor)
• Danish: katalysator c
• Dutch: katalysator (nl) m
• Finnish: katalyytti (fi), kiihdytin (fi)
• German: Beschleuniger (de) m, Katalysator (de) m
• Indonesian: katalis (id), katalisator (id)
• Macedonian: катализа́тор m (katalizátor)
• Malay: pencepat
• Russian: катализа́тор (ru) m (katalizátor)
• Swedish: accelerator (sv) c

accelerator pedal

• Arabic: دَوَّاسَةُ الوَقُود f (dawwāsatu l-waqūd)
• Armenian: արագարար (hy) (aragarar), աքսելերատոր (akʻselerator), գազ (hy) (gaz) (colloquial)
• Bulgarian: педа́л за газта́ m (pedál za gaztá)
• Chinese:

  Mandarin: 油門／油门 (zh) (yóumén)

• Danish: gaspedal c, speeder c
• Dutch: gaspedaal (nl) n
• Esperanto: akcelilo
• Faroese: spitari
• Finnish: kaasupoljin (fi)
• French: accélérateur (fr) m, champignon (fr) (colloquial)
• German: Gaspedal (de) n
• Hungarian: gázpedál (hu)
• Icelandic: bensíngjöf (is) f
• Indonesian: pedal gas, pedal pemacu, pedal pemercepat
• Italian: acceleratore (it)
• Japanese: アクセル (ja) (akuseru)
• Macedonian: педал за гас m (pedal za gas)
• Malay: injak pemecut
• Norwegian:

  Bokmål: gasspedal (no) m

  Nynorsk: gasspedal m

• Polish: akcelerator (pl) 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

• Portuguese: acelerador (pt) m

physics: device that accelerates charged particles — see also particle accelerator

• Chinese:

  Mandarin: 加速器 (zh) (jiāsùqì)

• Finnish: kiihdytin (fi)
• Russian: ускори́тель (ru) m (uskorítelʹ)

physiology, medical: muscle or nerve that accelerates an action

computing: accelerator key — see accelerator key

historical: light van

• Finnish: kiihdytin (fi)

program for startup companies

• Chinese:

  Mandarin: 種子加速器／种子加速器

• Finnish: kiihdyttämö (fi)
• French: accélérateur (fr) m
• German: Accelerator m
• Norwegian:

  Bokmål: akselerator (no) m

  Nynorsk: akselerator m

• Spanish: aceleradora de startups f, aceleradora de semillas

Anagrams

• retrocaecal

Latin

Verb

accelerātor

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

Romanian

Etymology

Borrowed from French accélérateur. Equivalent to accelera +‎ -tor.

Adjective

accelerator m or n (feminine singular acceleratoare, masculine plural acceleratori, feminine and neuter plural acceleratoare)

1. accelerative

Declension

Declension of accelerator

		singular			plural
		masculine	neuter	feminine	masculine	neuter	feminine
nominative/ accusative	indefinite	accelerator		acceleratoare	acceleratori	acceleratoare
	definite	acceleratorul		acceleratoarea	acceleratorii	acceleratoarele
genitive/ dative	indefinite	accelerator		acceleratoare	acceleratori	acceleratoare
	definite	acceleratorului		acceleratoarei	acceleratorilor	acceleratoarelor

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