noun Etymology: Friedrich Mohs died 1839 German mineralogist Date: 1879 a scale of hardness for minerals that ranges from a value of 1 for talc to 10 for diamond
MOHS' SCALE
Meaning of MOHS' SCALE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012