LEAD n.
crystallized in arborescent forms from a solution of some lead salt, as by suspending a strip of zinc in lead acetate. -- Mock lead, a miner's term for blende. -- Red lead, a scarlet, crystalline, granular powder, consisting of minium when pure, but commonly containing several of the oxides of lead. It is used as a…
LEVEL n.
attached, and with suitable screws, etc., for accurate adjustment, the whole mounted on a tripod, for use in leveling; -- called also leveling instrument. -- Water level, an instrument to show the level by means the surface of water in a trough, or in upright tubes connected by a pipe.
LITHIUM n.
of the alkaline group, occurring in several minerals, as petalite, spodumene, lepidolite, triphylite, etc., and otherwise widely disseminated, though in small quantities.
MAPLE n.
maple is A. rubrum; the silver maple, A. dasycarpum, having fruit wooly when young; the striped maple, A. Pennsylvanium, called also moosewood. The common maple of Europe is A. campestre, the sycamore maple is A. Pseudo-platanus, and the Norway maple is A. platanoides.
MATCH n.
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 holding matches. -- Match tub, a tub with a perforated…
MEASURE n.
The space between two bars. See Beat, Triple, Quadruple, Sextuple, Compound time, under Compound, a., and Figure.