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noun

agar

a jelly made from seaweed, used in laboratories as a base for growing microbes

In a sentence

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

  • Each student poured warm agar into a dish, let it set, and streaked a loop of pond water across it.

    Science

  • The lab grew the throat swab on agar overnight, and by morning pale colonies dotted the amber surface.

    Medicine

  • Samples from the estuary were spread on agar plates to count how many bacteria survived the summer heat.

    Environment

  • Vegan chefs set panna cotta with agar, the same seaweed jelly that laboratories pour into petri dishes.

    Cooking

  • Koch's lab adopted agar in the 1880s after a colleague's wife suggested the jelly she used for her puddings.

    History

  • The biotech startup's first product was a pre-poured agar plate that stayed sterile for months on a shelf.

    Startups

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