Mathematics. Epithet of a curved surface formed by the ultimate intersection of luminous rays proceeding from a single point and reflected or…

of the form of, or pertaining to, a hypotrochoid.

of the nature of, or pertaining to, a hodograph.

= Cayleyan, adj. n.

applied to a curve having an equation of the form √U + √V + √W + √T = 0, in relation to which the four curves √U = 0, √V = 0, etc. have properties…

applied to a curve having an equation of the form √ U + √ V + √ W = 0: cf. polyzome, n., and tetra-, comb._form.

(a) Geometry applied to a curve generated by the motion of three bars pivoted together; (b) of an electric fire: having three heating elements.

Resembling, pursuing, flowing in, the wave-like course of a sinusoid; having the form of a sinusoid; varying periodically (with time, distance…