Definition of retardancy in US English:

retardancy

noun

  • See retardant

    • ‘‘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.’
    • ‘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.’
    • ‘Leaching simulates the effect of high humidity, weathering, and washing on the fire retardancy of a coating, and is specified in various regulations and specifications for fire-retardant paints.’

Pronunciation

retardancy

/-ˈtärdnsē/