SLATY a.
esembling slate; having the nature, appearance, or properties, of slate; composed of thin parallel plates, capable of being separated by splitting; as, a slaty color or texture. Slaty cleavage (Min.), cleavage, as of rocks, into thin leaves or plates, like those of slate; -- applied especially to those cases in which t…
SOLAR a. 5 definitions
n in a dark room or in a darkened box. -- Solar month. See under Month. -- Solar oil, a paraffin oil used an illuminant and lubricant. -- Solar phosphori (Physics), certain substances, as the diamond, siulphide of barium (Bolognese or Bologna phosphorus), calcium sulphide, etc., which become phosphorescent, and shin…
SPIRAL a. 5 definitions
al gears, instead of bevel gears, are used to transmit motion between shafts that are not parallel. -- Spiral operculum, an operculum whih has spiral lines of growth. -- Spiral shell, any shell in which the whorls form a spiral or helix. -- Spiral spring. See the Note under Spring, n., 4.