HYGROSCOPIC a. 2 definitions
Of or pertaining to, or indicated by, the hygroscope; not readily manifest to the senses, but capable of detection by the hygroscope; as, glass is often covered with a film of hygroscopic moisture.
MATCH n.
for catching and retaining or communicating fire, made of some substance which takes fire readily, or remains burning some time; esp., a small strip or splint of wood dipped at one end in a substance which can be easily ignited by friction, as a preparation of phosphorus or chlorate of potassium. Match box, a box for h…
METAL n.
ailroad. [Eng.] Base metal (Chem.), any one of the metals, as iron, lead, etc., which are readily tarnished or oxidized, in contrast with the noble metals. In general, a metal of small value, as compared with gold or silver. -- Fusible metal (Metal.), a very fusible alloy, usually consisting of bismuth with lead, tin,…
MICA n.
The name of a group of minerals characterized by highly perfect cleavage, so that they readily separate into very thin leaves, more or less elastic. They differ widely in composition, and vary in color from pale brown or yellow to green or black. The transparent forms are used in lanterns, the doors of stoves, etc., be…