retardant

noun [C or U], adjective

/rɪˈtɑː.dənt/

/-ˈtɑːr-/

Definition

› (a substance) that makes the progress or growth of something slower: Pot plants are commonly treated with (a) growth retardant so that they retain their shape. fire/flame retardant furniture (= furniture that does not burn easily)Preventing and impedingLimiting and restricting

(Definition of retardant nounadjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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