vergency
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
17
Scrabble Score
8
Letters
3
Syllables
7
Unique Chars
Meaning
noun
The reciprocal of the focal distance of a lens, used as a measure of the divergence or convergence of a pencil of rays.
Example Sentences
- "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 […]"