litmus test 1
rzeczownikdomena: substancja
Princeton WordNet [ver.3.1]
Definicja
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
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
Projekt współfinansowany ze środków europejskich
