Pronunciation: /rɪˈtɑːrdənt/
noun a substance that slows down or prevents a particular process or reaction
A1 Fire retardant materials can help slow down the spread of flames in a building.
A2 It is important to use a heat retardant spray when styling your hair with hot tools.
B1 The firefighters used a chemical retardant to stop the fire from spreading further.
B2 The construction company applied a fire retardant coating to the wooden beams of the new building.
C1 The government implemented strict regulations on the use of flame retardants in household products.
C2 Scientists are researching new environmentally friendly retardants to replace harmful chemicals in fire safety applications.
adjective having the quality of slowing down or preventing a particular process or reaction
A1 The fire retardant curtains kept the flames from spreading.
A2 It is important to use a water retardant spray to protect your shoes from getting wet.
B1 The fabric of the sofa has been treated with a stain retardant to prevent spills from soaking in.
B2 The new building materials are fire retardant, making the structure safer in case of emergencies.
C1 The chemical used in the production process acts as a retardant, slowing down the reaction.
C2 The insulation in the walls is heat retardant, keeping the interior of the house cool in the summer.
formal The fire retardant material helped slow down the spread of the flames.
informal Make sure to use the fire retardant spray before starting the bonfire.
slang I heard this new fabric is super retardant against stains.
figurative His calm demeanor acted as a retardant against the chaos around him.
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have retarded
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retardant
to retard
retarding
retarding