A substance used to make something whiter or lighter in color, such as in laundry or teeth.
This detergent includes a special whitener.
The dentist recommended a toothpaste with a gentle whitener to brighten my smile.
whitenerverb
To apply a substance to something in order to make it whiter.
She used bleach to whitener the old clothes.
They will whitener the fence when the weather allows it to properly dry.
Frequently Asked Questions
The phonetic transcription of "whitener" is /ˈwaɪtnər/ in British English and /ˈwaɪtnər/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "whitener": bleach, lightener.
Example usage of "whitener": "I added some whitener to my coffee this morning.". More examples on the page.