litmus
A dyestuff extracted from certain lichens, that changes color when exposed to pH…A dyestuff extracted from certain lichens, that changes color when exposed to pH levels greater than or less than certain critical levels.
» These elections will be a litmus test for the government.
Эти выборы станут лакмусовой бумажкой для правительства.
Значение
значений: 3(неисчисляемое)A dyestuff extracted from certain lichens, that changes color when exposed to pH levels greater than or less than certain critical levels.
Lackmus
ла́кмусlákmus
(исчисляемое, неисчисляемое)A simple test of acidity in a liquid using litmus, usually in the form of litmus paper.
(исчисляемое, неисчисляемое)A simple test of any attribute; a litmus test.
- a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions; used as a very rough acid-base indicator
Примеры
предложений: 2These elections will be a litmus test for the government.
Эти выборы станут лакмусовой бумажкой для правительства. — odexed
Since primary school we've been checking for the qualities known as acidity and alkalinity with litmus paper.
Переводы
языков: 8По значениям 1
По значениям 1
Происхождение
From Middle English litmose, lytmose, litemose, from Old Norse litmosi (“moss used for dyeFrom Middle English litmose, lytmose, litemose, from Old Norse litmosi (“moss used for dyeing”), from lita (“to dye, stain”) + mosi (“moss”), the former from litr (“colour, dye, blee”), from Proto-Germanic *wlitiz, *wlituz (“appearance, blee”), from Proto-Indo-European *wel- (“to see”). Cognate with Old English wlite (“appearance, form, brightness, countenance”). More at moss.
Wiktionary, CC BY-SA 4.0 · source
Формы
мн. число: litmusesСинонимы
синонимов: 3- a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions; used as a very rough acid-base indicator:litmus test
Однокоренные
связанных слов: 6Уроки к слову
уроков: 1- A1Исчисляемые и неисчисляемые существительные — Потому что оно может быть неисчисляемым