कसूरकस्ट
कसौटी (Hindi) [ Roman: ka.so.u.ti.]
Contributed by: Bornaly Hazarika on 2011-07-04
1. Physics(Material Noun-Neuter) a piece of fine-grained dark schist or jasper formerly used for testing alloys of gold by observing the colour of the mark which they made on it. সোণ পৰীক্ষা কৰা শিল।