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retardant Syllabification: re·tar·dant
Pronunciation: /rəˈtärd(ə)nt/

Definition of retardant in English:


[in combination]
(Chiefly of a synthetic or treated fabric or substance) not readily susceptible to fire: fire-retardant polymers
More example sentences
  • The most important use of bromine today is in making flame retardant materials.
  • In a bid to prevent further arson attempts, the horse may be sprayed with a fire retardant substance.
  • The wall should be protected by a flame retardant surface.


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A fabric or substance that prevents or inhibits something, especially the outbreak of fire.
Example sentences
  • According to Congressman Tom Udall, over 35 million gallons of cyanide containing fire retardants were dumped on fires in the West this summer alone.
  • A traveller starts at the airport and boards the plane, with its full complement of fire retardants, stain resistants, and the other protective chemicals.
  • For example, Colborn says, bisphenol A, a component of plastic that is also used as a fire retardant, causes female mice to reach puberty earlier than normal.


Pronunciation: /-ˈtärdnsē/
Example sentences
  • Other considerations include deposits of surface volatile impurities, fire retardancy, metal corrosion, odor, and traditional application issues, such as the ability of paint to adhere.
  • ‘Essentially, it's suitable for any medical instrumentation application where flame retardancy, high impact resistance, formability, and cleanability are important design criteria,’ he says.
  • Because the treatment is topical, it will wear out in time, and repeated cleanings will cause the flame retardancy to dissolve sooner.
Definition of retardant in:
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