- a preparation for making something white, as a bleach, dye, or polish: a bottle of shoe whitener.
- a person or thing that whitens.
- a person who applies whitener, as in a manufacturing process.
Origin of whitener
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a substance that makes something white or whiter
- a powdered substitute for milk or cream, used in coffee or tea