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adjective

reactive

participating readily in reactions

In a sentence

Six example sentences with reactive, each labelled with its topic.

  • Sodium is so reactive that chemists store it under oil, where nothing in the air can touch it.

    Science

  • An aluminum bowl is too reactive for lemon curd, and the finished cream picks up a faint metallic edge.

    Cooking

  • Ozone is highly reactive near the ground, attacking leaf tissue in crops long before people notice any haze.

    Environment

  • Lithium is so reactive that battery factories assemble their cells inside sealed rooms where the air holds almost no moisture.

    Technology

  • Fresco painters avoided certain pigments because they were reactive with wet lime and turned brown within a season.

    Art

  • Engineers screen aggregate for reactive silica, since it swells inside concrete and cracks bridge decks decades after they are poured.

    Architecture

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Found in these word lists

Found in 3 published word listsAuthoritative

Each source is a published word list that contains reactive. No exam board publishes an official GRE, GMAT or SAT list; GMAT words come from GRE lists and the Academic Word List.

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