معنی کلمه : sclerometer
English
An instrument for determining with accuracy the degree of hardness of a mineral.
A broad stripe of purple on the fore part of the tunic, worn by senators in ancient Rome as an emblem of office.

An instrument for determining with accuracy the degree of hardness of a mineral.
A broad stripe of purple on the fore part of the tunic, worn by senators in ancient Rome as an emblem of office.