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optical brightener

Definition of optical brightener

noun

a fluorescent substance added to detergents in order to produce a whitening effect on laundry.

optical brightener in other Oxford dictionaries

Definition of optical brightener in the US English dictionary

Nearby words

optic tract
optical
optical activity
optical axis
optical bench
optical brightener
optical character recognition
optical density
optical double
optical fibre
optical glass

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kempt

/ kɛm(p)t

adjective

maintained in a neat and clean condition …

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