vergency

名词 n.
中文释义

英文释义

名词 n.
  1. The act of verging or approaching; tendency, inclination towards something. dated
    — s.v. hanker: "vergency, incline"
  2. The reciprocal of the focal distance of a lens, used as a measure of the divergence or convergence of a pencil of rays.
    — 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 […]

词形变化

vergencies plural

词汇关系

近义词
vergence

词源

verge + -ency, cf. New Latin vergentia (16th century), French vergence (18th century) and later English vergence (20th century).
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