accelerator

ac·cel·er·a·tor

noun \ik-ˈse-lə-ˌrā-tər, ak-\

Definition of ACCELERATOR

: one that accelerates: as

a : a muscle or nerve that speeds the performance of an action

b : a device (as a pedal) for controlling the speed of a motor vehicle engine

c : a substance that speeds a chemical reaction

d : an apparatus for imparting high velocities to charged particles (as electrons)

e : an item of computer hardware that increases the speed at which a program or function operates <a graphics accelerator>

First Known Use of ACCELERATOR

1552

Rhymes with ACCELERATOR

accommodator, accumulator, administrator, adulterator, alienator, alleviator, annihilator, annunciator, anticipator, appreciator, appropriator, assassinator, attenuator, continuator, calumniator, collaborator, commemorator, communicator, conciliator, congratulator, consolidator, contaminator, cooperator, coordinator, corroborator, defibrillator, delineator, denominator, depreciator, determinator, discriminator, disseminator, dissimulator, ejaculator, eliminator, emancipator, enumerator, equivocator, eradicator, evaporator, exterminator, extrapolator, facilitator, grain elevator, impersonator, improvisator, incinerator, inseminator, interrogator, intimidator, investigator, negotiator, oxygenator, pacificator, perambulator, predestinator, procrastinator, purificator, redecorator, refrigerator, regenerator, resuscitator, sooner or later, subordinator, totalizator

ac·cel·er·a·tor

noun \ik-ˈsel-ə-ˌrāt-ər, ak-\   (Medical Dictionary)

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)