ELLIPSE n.
An oval or oblong figure, bounded by a regular curve, which corresponds to an oblique projection of a circle, or an oblique section of a cone through its opposite sides. The greatest diameter of the ellipse is the major axis, and the least diameter is the minor axis. See Conic section, under Conic, and cf. Focus.…
GREEN a.
sts; -- called also mountain green. -- Green ebony. (a) A south American tree (Jacaranda ovalifolia), having a greenish wood, used for rulers, turned and inlaid work, and in dyeing. (b) The West Indian green ebony. See Ebony. -- Green fire (Pyrotech.), a composition which burns with a green flame. It consists of sulp…