or Assaying, in Chemistry and Metallurgy, signifies the examination of a small quantity of any ore or mineral by fire, in order to discover the quantity of metal it contains. This is very neceffary for thofo who intend to deal largely in metallurgic operations, in order to avoid unnecessary expence, by becoming previously acquainted with the nature of the ore. See Chemistry and Mineralogy Index.

Essar-Hatch, is the miners term for a little trench or hole, which they dig to fearch for fhoad or ore.