Meaning & use
Retarders
Last updated
Devices or substances that slow down a process, such as a vehicle's braking mechanism or a chemical that delays a reaction.
See it in a sentence
Long descents require truckers to use engine retarders to control speed safely.
Flame retarders are added to the foam to slow the spread of fire.
A note on using this word
In baking, a "retarder" is also a refrigerated cabinet used to slow the fermentation of dough.
Words with a similar meaning
retardantsdampers
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
accelerators
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