BARREL n.
The hollow basal part of a feather. Barrel bulk (Com.), a measure equal to five cubic feet, used in estimating capacity, as of a vessel for freight. -- Barrel drain (Arch.), a drain in the form of a cylindrical tube. -- Barrel of a boiler, the cylindrical part of a boiler, containing the flues. -- Barrel of the ear…
BINARY a.
0, as in the common logarithms, and the modulus 1.442695 instead of .43429448. -- Binary measure (Mus.), measure divisible by two or four; common time. -- Binary nomenclature (Nat. Hist.), nomenclature in which the names designate both genus and species. -- Binary scale (Arith.), a uniform scale of notation whose ra…