accelerator
n.
加速器[泵, 装置, 电极, 踏板], 风门
加速[促进, 促凝, 速滤, 催化, 催速]剂
【摄】催显剂;【建】促凝剂
(飞机起飞用的)弹射器
粒子加速器
accelerator
accelerators
Noun
1. a pedal that controls the throttle valve; “he stepped on the gas”
(synonym) accelerator pedal, gas pedal, gas, throttle, gun
(hypernym) pedal, treadle, foot pedal, foot lever
(part-holonym) car, auto, automobile, machine, motorcar
(derivation) accelerate, speed, speed up
2. a valve that regulates the supply of fuel to the engine
(synonym) throttle, throttle valve
(hypernym) valve
(part-holonym) fuel system
(derivation) accelerate, speed, speed up
3. (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
(synonym) catalyst
(hypernym) activator
(hyponym) biocatalyst
(classification) chemistry, chemical science
4. a scientific instrument that increases the kinetic energy of charged particles
(synonym) particle accelerator, atom smasher
(hypernym) scientific instrument
(hyponym) betatron, induction accelerator
(part-meronym) storage ring