CUBE n.
r; as, 4x4=16, and 16x4=64, the cube of 4. Cube ore (Min.), pharmacosiderite. It commonly crystallizes in cubes of a green color. -- Cube root. (Math.), the number or quantity which, multiplied into itself, and then into the product, produces the given cube; thus, 3 is the cube root of 27, for 3x3x3 = 27. -- Cube spa…
GLACIAL a.
hosphoric or acetic acids. Glacial acid (Chem.), an acid of such strength or purity as to crystallize at an ordinary temperature, in an icelike form; as acetic or carbolic acid. -- Glacial drift (Geol.), earth and rocks which have been transported by moving ice, land ice, or icebergs; bowlder drift. -- Glacial epoch…
INDIGO a.
is obtained as a dark blue earthy powder, with a reddish luster, C16H10N2O2, which may be crystallized by sublimation. Indigo blue is also made from artificial amido cinnamic acid, and from artificial isatine; and these methods are of great commercial importance. Called also indigotin. (b) A dark, dull blue color like…
LEAD n.
na glauca; -- probably so called from the glaucous color of the foliage. (b) (Chem.) Lead 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…