EMERALD a.
d fish (Zoöl.), a fish of the Gulf of Mexico (Gobionellus oceanicus), remarkable for the brilliant green and blue color of the base of the tongue; -- whence the name; -- called also esmeralda. -- Emerald green, a very durable pigment, of a vivid light green color, made from the arseniate of copper; green bice; Scheele…
EXPANDING a.
t 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 dim…