GRANITE n.
A crystalline, granular rock, consisting of quartz, feldspar, and mica, and usually of a whitish, grayish, or flesh-red color. It differs from gneiss in not having the mica in planes, and therefor in being destitute of a schistose structure.
GRAPHITE n.
Native carbon in hexagonal crystals, also foliated or granular massive, of black color and metallic luster, and so soft as to leave a trace on paper. It is used for pencils (improperly called lead pencils), for crucibles, and as a lubricator, etc. Often called plumbago or black lead. Graphite battery (Elec.), a voltaic…
LEAD n.
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 paint or cement and also as an ingredient of flint glass. -- Red lead ore (Min.), crocoite. -- Sugar of lead,…
LYMPH n.
nnective tissue binding the inflamed surfaces together. Lymph corpuscles (Anat.), finely granular nucleated cells, identical with the colorless blood corpuscles, present in the lymph and chyle. -- Lymph duct (Anat.), a lymphatic. -- Lymph heart. See Note under Heart, n., 1.
MEAL n.
Any substance that is coarsely pulverized like meal, but not granulated. Meal beetle (Zoöl.), the adult of the meal worm. See Meal worm, below. -- Meal moth (Zoöl.), a lepidopterous insect (Asopia farinalis), the larvæ of which feed upon meal, flour, etc. -- Meal worm (Zoöl.), the larva of a beetle (Tenebrio molitor)…