We're working on a new site. Click here to get a sneak preview.
Medical Dictionary


noun ac·cel·er·a·tor \ik-ˈsel-ə-ˌrāt-ər, ak-\

Medical Definition of ACCELERATOR

:  one that accelerates: as a :  a muscle or nerve that speeds the performance of an action <a cardiac accelerator> b :  a substance that speeds a chemical reaction c :  an apparatus for imparting high velocities to charged particles (as electrons)
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears