accelerator

== English == === Etymology === First attested in 1611. (motor vehicle): First attested in 1900. accelerate +‎ -or === Pronunciation === (US) IPA(key): /əkˈsɛl.əˌɹeɪ.tɚ/, /ækˈsɛl.əˌɹeɪ.tɚ/, /ɪkˈsɛl.əˌɹeɪ.tɚ/ === Noun === accelerator (plural accelerators) One who, or that which, accelerates. A device for causing acceleration. (chemistry) A substance which speeds up chemical reactions. (vehicles) A pedal causing the vehicle to accelerate when it is pressed. (photography) A chemical that reduces development time. (physics) A device that accelerates charged subatomic particles; a particle accelerator. (physiology, medicine) A muscle or nerve that speeds the performance of an action. (computing) An accelerator key. (computing) A computer component using dedicated hardware to accelerate the processing and display of graphics. (historical) A light van to take mails between a post office and a railway station. (business) A mentoring program for startup companies. ==== Synonyms ==== (accelerator pedal): (North America) gas pedal, gas throttle go pedal (accelerates subatomic particles): particle accelerator atom smasher ==== Derived terms ==== ==== Translations ==== === Anagrams === retrocaecal == Latin == === Verb === accelerātor 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/neuter plural acceleratoare) accelerative ==== Declension ==== == Spanish == === Pronunciation === IPA(key): /aɡθeleɾaˈtoɾ/ [aɣ̞.θe.le.ɾaˈt̪oɾ] (Spain) IPA(key): /aɡseleɾaˈtoɾ/ [aɣ̞.se.le.ɾaˈt̪oɾ] (Latin America, Philippines) Rhymes: -oɾ Syllabification: ac‧ce‧le‧ra‧tor === Adjective === accelerator (feminine acceleratora, masculine plural acceleratores, feminine plural acceleratoras) archaic form of acelerador === Noun === accelerator m (plural acceleratores) archaic form of acelerador ==== Related terms ==== === Further reading === “accelerator”, in Tesoro de los diccionarios históricos de la lengua española [Thesaurus of the Historical Dictionaries of the Spanish Language], Royal Spanish Academy [Spanish: Real Academia Española], launched 2021 == Swedish == === Noun === accelerator c (physics) an accelerator (device that accelerates various particles to high velocities) (chemistry) an accelerator (substance that speeds up chemical reactions) ==== Declension ==== ==== Related terms ==== acceleration accelerera === References === accelerator in Svensk ordbok (SO) accelerator in Svenska Akademiens ordlista (SAOL)