retardant

adjective re·tar·dant \ ri-ˈtär-dᵊnt \

Definition of retardant

:serving or tending to retard
  • a growth-retardant substance

retardant

noun

First Known Use of retardant

1642


RETARDANT Defined for English Language Learners

retardant

adjective

Definition of retardant for English Language Learners

  • : able to slow down the progress or development of something


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