stain
noun
a discoloration produced by foreign matter having penetrated into or chemically reacted with a material; a spot not easily removed.
staining
-
present participleof stain.present participle
A verb form that is used in progressive verb constructions and may also function as a modifier or a gerund.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
She said Greenpeace had painted over rocks and soil, staining them.
From BBC ● Aug. 21, 2026
It doesn’t come on a school-issued bun, nor does it come with the staining might of tomato sauce and ground beef.
From The Wall Street Journal ● Jul. 28, 2026
To overcome this obstacle, the researchers designed a patent-pending staining approach that attaches traceable silver and bromine markers to widely used cellulose- and latex-based binders in graphite- and silicon-based anodes.
From Science Daily ● Feb. 20, 2026
During weekly phone calls, I’d catch her in the middle of staining a table, reupholstering a chair, or rewiring a chandelier she’d found at a flea market.
From Slate ● Aug. 5, 2024
Eventually you learned how to block some of it out, to build up a thin wall between your mind and others’, but not before everyone else’s poisonous thoughts were in there, staining your own.
From "The Darkest Minds" by Alexandra Bracken
