foreign substance
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.
Scientists classify it as a xeno-autoantigen, a foreign substance that becomes incorporated into the body's own tissues and can provoke an immune reaction.
From Science Daily ● Oct. 18, 2026
He speaks about opportunities like it’s some sort of unreachable foreign substance instead of owning up to the truth — that it’s his job to create those opportunities for his players.
From Washington Times ● Dec. 3, 2023
New York Yankees pitcher Domingo Germán was ejected from a May 16 game in Toronto this season for using a foreign substance on the mound and suspended 10 games by MLB the following day.
From Seattle Times ● Jun. 13, 2023
Mets’ Max Scherzer was ejected while pitching against the Dodgers for having a foreign substance on his glove and a potential substance on his hand.
From Los Angeles Times ● Apr. 19, 2023
The acid of milk is the sour whey contained in butter-milk, which, by a tedious chemical process, may be obtained pure from any foreign substance.
From Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry by Joseph Priestley
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