Litmus
51Litmus — Лакмус …
52LITMUS — a colouring matter obtained from certain lichens; extensively used in chemical experiments to detect acids, for instance …
53litmus — lit|mus [ˈlıtməs] n [U] [Date: 1300 1400; : Old Norse; Origin: litmosi, from litr coloring substance + mosi moss ] a chemical that turns red when it touches acid, and blue when it touches an ↑alkali …
54litmus — lit|mus [ lıtməs ] noun uncount a substance that is used in chemical tests to discover whether a substance is an acid or an ALKALI …
55litmus — see MOSS …
56litmus — lit·mus || lɪtmÉ™s n. blue coloring substance extracted from lichens which turns red in acids and is restored to blue in alkalis (used as a chemical indicator) …
57litmus — [ lɪtməs] noun a dye obtained from certain lichens that is red under acid conditions and blue under alkaline conditions. Origin ME: from ON lit mosi, from litr dye + mosi moss …
58litmus — noun (U) a chemical that turns red when touched by acid, and blue when touched by an alkali …
59litmus — lit·mus …
60litmus — UK [ˈlɪtməs] / US noun [uncountable] chemistry a substance that is used in chemical tests to discover whether a substance is an acid or an alkali …