COMPLEMENT n. 2 definitions
A compliment. [Obs.] Shak. Arithmetical compliment of a logarithm. See under Logarithm. -- Arithmetical complement of a number (Math.), the difference between that number and the next higher power of 10; as, 4 is the complement of 6, and 16 of 84. -- Complement of an arc or angle (Geom.), the difference between that…
CORAL n.
often of great extent, made up chiefly of fragments of corals, coral sands, and the solid limestone resulting from their consolidation. They are classed as fringing reefs, when they border the land; barrier reefs, when separated from the shore by a broad belt of water; atolls, when they constitute separate islands, usu…