Added 7 October 2026
accelerator
/əkˈsɛl.əˌɹeɪ.tɚ/ noun
First recorded: 1900 Wiktionary
noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about accelerator at Wordnik → Where our words come from →
-
One who, or that which, accelerates.
The Second World War is said to have been a great accelerator for many scientific findings.
- A device for causing acceleration.
- A substance which speeds up chemical reactions.
Origin
* (motor vehicle): First attested in 1900.
From Wiktionary, via Kaikki.org (CC BY-SA)