A chemical used to impart flame resistance.

(psychology, dated) A developmental disability in which the person has a very low intelligence quotient, usually below 70, plus difficulty in multiple areas of daily life. Evidence of this disability must have appeared before the person reached adulthood for diagnosis.

plural of fire-retardant

plural of flame retardant

plural of flame-retardant

plural of vapor retarder

(slang, vulgar, offensive) The extreme physical power often displayed by those with cognitive disabilities as a result of decreased inhibition against using their full strength.

The salinity gradient energy retrieved from the difference in the salt concentration between seawater and river water.

In a retarded way.

The state or condition of being retarded.