bluing
noun
- product used to improve optical whiteness of clothing or textiles
Wiktionary
noun
Etymology: Etymology tree English blue English -ing English bluing From blue + -ing.
- A substance used in laundry to whiten clothes.
- Any of several processes to protect steel against rust.
verb
Etymology: Etymology tree English blue English -ing English bluing From blue + -ing.
- present participle and gerund of blue