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litmus

/ˈlɪt.məs/

1 entry

noun

/ˈlɪt.məs/B2formalscientific
  • ruХимическое вещество, получаемое из лишайников, которое меняет цвет в зависимости от pH, обычно используемое как приблизительный кислотно-основной индикатор.

A chemical substance derived from lichens that changes color depending on pH, commonly used as a rough acid‑base indicator.

uncountable

  1. B2formalscientific

    A coloring material obtained from lichens that turns red in acidic solutions and blue in alkaline solutions, used as a rough acid-base indicator.

    ruЛакмус

    • The chemist dipped the litmus paper into the solution to test its pH.
    • Litmus is commonly used in school laboratories for simple acid-base tests.
    • Blue litmus turns red when exposed to an acidic substance.
Forms
  • litmuses plural form
  • litmuses' possessive plural form
  • litmus's possessive singular form