MITER; MITRE n.
us Mitra. -- Miter square (Carp.), a bevel with an immovable arm at an angle of 45º, for striking lines on stuff to be mitered; also, a square with an arm adjustable to any angle. -- Miter wheels, a pair of bevel gears, of equal diameter, adapted for working together, usually with their axes at right angles.…
RADIUM n.
ionize gases, affect photographic plates, cause sores on the skin, and produce many other striking effects. Their degree of activity depends on the proportion of radium present, but not on its state of chemical combination or on external conditions.The radioactivity of radium is therefore an atomic property, and is exp…