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Meaning of retarder
A substance or device that slows down a process or an agent that retards something.
Etymology of retarder
The word "retarder" originates from the Old French word "retarder," which is derived from "re-" (meaning "back" or "again") and "tarder" (meaning "to delay" or "to slow down").
The word has been used in English since the 15th century to describe something that slows down a process or an agent that causes delay.
Synonyms
inhibitor
brake
delimiter
limiter
restrainer
moderator
controller
dampener
hindrance
obstacle
impediment
delay
slowdown
decelerator
brake pad
friction
drag
check
curb
restraint
moderating influence
slowing agent
retardation agent
dampening agent
slowing device
speed limiter
pace setter
tempo regulator
velocity reducer
speed reducer
pace car
slowing medium
Definitions
- A substance added to a chemical reaction to slow it down.
- * A device or system that slows down the movement or action of something.
- * A person who or thing that slows down progress or development.
Usage Examples
- The fire retarder helped to slow down the spread of the flames.
- * The chemical retarder was added to the reaction mixture to prevent it from happening too quickly.
- * The traffic retarder on the highway helped to reduce the speed of the cars.
Antonyms
accelerator
catalyst
stimulator
enhancer
booster
increaser
augmenter
intensifier
quickener
hastener
speeder
expeditor
facilitator
promoter
motivator
energizer
activator
invigorator
reviver
restorer
accelerator pedal
gas pedal