Vergency
"Vergency" in a Sentence (4 examples)
s.v. hanker: "vergency, incline"
the Earth is moved about the Sun by its Inclination and Vergency towards it
1721 Nathan Bailey, An Universal Etymological English Dictionary, E. Bell, London. "VERGENCY [of vergere, L.] a bending or declining away, from or to, inclining."
When, by the pencil becoming oblique to the surface, the vergency produced on the pencil becomes changed, the primary and secondary focal points, V and H, separate […]