react B1 Topic:Science & Research US /ɹiːˈækt/ See IPA manual Freq #4677 Meanings 1 verb To behave in a particular way because of something that has happened. How did she react to the news? 2 verb (chemistry) To change when combined with another substance. Sodium reacts violently with water. 3 verb To act in opposition to something you dislike. Many young people react against their parents' rules. Thesaurus Synonyms 1 verb · to behave in a particular... respond 3 verb · to act in opposition to... oppose Word family Forms reactedreactingreacts Derived forms autoreactbackreactcrossreacthyperreactimmunoreactimmunoreactedmisreactnonreactedoverreactreactabilityreactablereactance Related forms interreactinterreaction Etymology AI details From re- + act. Piecewise doublet of redact. *h₂eǵ- Proto-Indo-European View etymology graph -> Topics Science & Research External links Cambridge Dictionary Wiktionary Google Images # react **Type:** Word **Level:** B1 **Part of speech:** verb **IPA (US):** /ɹiːˈækt/ **Frequency rank:** 4677 ## Meanings 1. To behave in a particular way because of something that has happened. 2. (chemistry) To change when combined with another substance. 3. To act in opposition to something you dislike. ## Examples - How did she react to the news? - Sodium reacts violently with water. - Many young people react against their parents' rules. ## Derived Forms - autoreact - backreact - crossreact - hyperreact - immunoreact - immunoreacted - misreact - nonreacted - overreact - reactability - reactable - reactance ## Related Forms - interreact - interreaction ## Roots and Affixes - Root: *h₂eǵ- - Affix: re- - again ## Etymology From re- + act. Piecewise doublet of redact. ## AI Etymology React comes from re- + act. Piecewise doublet of redact. Modern senses include to behave in a particular way because of something that has happened. and (chemistry) To change when combined with another substance.. The wider word family includes derivatives such as autoreact, backreact, crossreact, hyperreact, immunoreact, and immunoreacted and related forms such as interreact and interreaction. ## Topics - Science & Research markdown