Retardant

adj, noun

Definitions

Adjective
  1. 1
    Serving to impede (slow down) the action of something in-compounds, often
Noun
  1. 1
    Something that serves to retard (slow down) the action of something. in-compounds, often

    "It took until last year for mattresses and furniture containing the highly toxic retardant deca-BDE to be banned, under European law, from sale. […] To make matters worse, far from saving us from fires, flame retardants appear to increase the risk."

  2. 2
    any agent that retards or delays or hinders wordnet

Etymology

Etymology 1

Borrowed from French retardant, equivalent to retard (“to slow down”) + -ant.

Etymology 2

Borrowed from French retardant, equivalent to retard (“to slow down”) + -ant.

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