AXIS n.
planes perpendicular to it, the line describing a surface of revolution, and the plane a solid of revolution. -- Axis of symmetry (Geom.), any line in a plane figure which divides the figure into two such parts that one part, when folded over along the axis, shall coincide with the other part. -- Axis of the equator…
BALSAM n.
ng supposed to be a product of Peru. -- Balsam of Tolu, a reddish or yellowish brown semisolid or solid balsam, obtained from a South American tree ( Myxoxylon toluiferum.). It is highly fragrant, and is used as a stomachic and expectorant. -- Balsam tree, any tree from which balsam is obtained, esp. the Abies balsam…