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Definitions

reaction

[ree-ak-shuhn] / riˈæk ʃən /




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.

“It doesn’t take much of a reaction to wipe out a margin of only three quarters of a point,” Lefèvre writes.

From Barron's • Apr. 7, 2026

Even setting aside Max’s typically snide reaction to Becky’s attire—“You look like . . . a birthday cake”—this pair seems spectacularly mismatched.

From The Wall Street Journal • Apr. 7, 2026

Fire Administration, potentially leading to a process known as thermal runaway, in which the battery ignites through a self-sustaining chemical reaction that is impossible to stop until it runs out on its own.

From Los Angeles Times • Apr. 6, 2026

Anne remembers her husband's reaction when he found it.

From BBC • Apr. 4, 2026

About 200 miles from Otsuchi, the nuclear plant’s operators spent the night of the tsunami working frantically in pitch-black control rooms desperately trying to stop a chain reaction that was spinning out of control.

From "Meltdown" by Deirdre Langeland