NOTATION n. 3 definitions
symbols, or abbreviated expressions used in art or science, to express briefly technical facts, quantities, etc. Esp., the system of figures, letters, and signs used in arithmetic and algebra to express number, quantity, or operations.
OBLIQUE a. 6 definitions
sion, etc. -- Oblique arch (Arch.), an arch whose jambs are not at right angles with the face, and whose intrados is in consequence askew. -- Oblique bridge, a skew bridge. See under Bridge, n. -- Oblique case (Gram.), any case except the nominative. See Case, n. -- Oblique circle (Projection), a circle whose plane…
OCTAHEDRAL a.
Having eight faces or sides; of, pertaining to, or formed in, octahedrons; as, octahedral cleavage. Octahedral borax (Chem.), borax obtained from a saturated solution in octahedral crystals, which contain five molecules of water of crystallization; distinguished from common or prismatic borax. -- Octahedral iron ore (…