Reference meaning
brightener
Last updated
One who or that which brightens.
Other meanings
2. noun
A chemical agent that absorbs ultraviolet and violet light and re-emits blue light by fluorescence, used to make fabric or paper look whiter.
3. noun
Any substance added to an electrolytic bath to yield a brighter electroplated surface.
Source and scope
This definition is reproduced from English Wiktionary, sense en-brightener-en-noun-s96uTQde, under the CC BY-SA 4.0. It has not yet received VocabularyBase editorial review. Read the source and license details.