SPECTRUM n.
characterized by dark spaces, bands, or lines. -- Chemical spectrum, a spectrum of rays considered solely with reference to their chemical effects, as in photography. These, in the usual photogrophic methods, have their maximum influence at and beyond the violet rays, but are not limited to this region. -- Chromatic…
STANDING a.
stem. -- Standing committee, in legislative bodies, etc., a committee appointed for the consideration of all subjects of a particular class which shall arise during the session or a stated period. -- Standing cup, a tall goblet, with a foot and a cover. -- Standing finish (Arch.), that part of the interior fittings…
STEARIN n.
butter of cacao. It is especially characterized by its solidity, so that when present in considerable quantity it materially increases the hardness, or raises the melting point, of the fat, as in mutton tallow. Chemically, it is a compound of glyceryl with three molecules of stearic acid, and hence is technically call…
STRAP n.
shoulder strap. See under Shoulder. Strap bolt, a bolt of which one end is a flat bar of considerable length. -- Strap head (Mach.), a journal box, or pair of brasses, secured to the end of a connecting rod by a strap. See Illust. of Gib and key, under Gib. -- Strap hinge, a hinge with long flaps by which it is fast…