FOREGROUND n.
ng, and sometimes in a bas-relief, mosaic picture, or the like, that part of the scene represented, which is nearest to the spectator, and therefore occupies the lowest part of the work of art itself. Cf. Distance, n., 6.
FUNCTION n.
is the versed sine, and CE is the coversed sine of the are AB. If the length of AB be represented by x (OA being unity) then the lengths of Functions. these lines (OA being unity) are the trigonometrical functions of x, and are written sin x, cos x, tan x (or tang x), cot x, sec x, cosec x, versin x, coversin x. These…
GAS n.
distinction from vapors, as steam, which become liquid on a reduction of temperature. In present usage, since all of the supposed permanent gases have been liquified by cold and pressure, the term has resumed nearly its original signification, and is applied to any substance in the elastic or aëriform state.…