XP n.
The first two letters of the Greek word XRISTOS, Christ; -- an abbreviation used with the letters separate or, oftener, in a monogram, often inclosed in a circle, as a symbol or emblem of Christ. It use as an emblem was introduced by Constantine the Great, whence it is known as the Constantinian symbol, or monogram. Se…
EXPANDING a.
That expands, or may be expanded; extending; spreading; enlarging. Expanding bit, Expanding drill (Mech.), a bit or drill made adjustable for holes of various sizes; one which can be expanded in diameter while boring. -- Expanding pulley (Mach.), a pulley so made, as in sections, that its diameter can be increased or…