/noohp/
a scale of hardness based on the indentation made in the material to be tested by a diamond point.
[ named after F. Knoop, 20th-century American chemist ]
/noohp/
a scale of hardness based on the indentation made in the material to be tested by a diamond point.
[ named after F. Knoop, 20th-century American chemist ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012