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noun

chlorophyll

any of a group of green pigments found in photosynthetic organisms; there are four naturally occurring forms

In a sentence

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

  • Autumn leaves turn red only after chlorophyll breaks down, revealing the orange compounds hidden beneath it all summer.

    Science

  • Blanching broccoli for sixty seconds fixes the chlorophyll, so the florets stay bright instead of fading to olive.

    Cooking

  • Satellites map chlorophyll across the ocean surface to show where plankton blooms feed the season's fisheries.

    Environment

  • In infrared photographs the trees glow white, since chlorophyll absorbs red light but lets the longer wavelengths bounce back.

    Photography

  • Two French chemists named chlorophyll in 1817 after the Greek words for green leaf, though its structure took another century to work out.

    History

  • Engineers mimic the light-trapping ring at the heart of chlorophyll in dye-based solar cells that still work under cloudy skies.

    Technology

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