BACK a.
private stairs. Also used adjectively. See Back stairs, Backstairs, and Backstair, in the Vocabulary. -- Back step (Mil.), the retrograde movement of a man or body of men, without changing front. -- Back stream, a current running against the main current of a stream; an eddy. -- To take the back track, to retrace on…
CHAIN n.
el, or projections from it, made to fit the links of a chain. -- Chain pumps. See in the Vocabulary. -- Chain rule (Arith.), a theorem for solving numerical problems by composition of ratios, or compound proportion, by which, when several ratios of equality are given, the consequent of each being the same as the ante…
CORAL n.
formed. They are often very erroneously called coral insects. -- Coral fish. See in the Vocabulary. -- Coral reefs (Phys. Geog.), reefs, 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 the…
COUNTER a.
nd to secure one who has given bond for another. -- Counter brace. See Counter brace, in Vocabulary. -- Counter deed (Law), a secret writing which destroys, invalidates, or alters, a public deed. -- Counter distinction, contradistinction. [Obs.] -- Counter drain, a drain at the foot of the embankment of a canal or w…
CROSS a.
- Cross bedding (Geol.), oblique lamination of horizontal beds, -- Cross bill. See in the Vocabulary. -- Cross bitt. Same as Crosspiece. -- Cross bond, a form of bricklaying, in which the joints of one stretcher course come midway between those of the stretcher courses above and below, a course of headers and stretch…