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Webster 1913 Edition


Nonius

No′ni-us

,
Noun.
[Latinized form of
Nunez
, the name of a Portuguese mathematician.]
A vernier.

Definition 2024


nonius

nonius

English

Noun

nonius (plural noniuses)

  1. A device for adjusting the accuracy of mathematical instruments, later superseded by the vernier
    • 1997: Well, of course, one must manipulate the various ****-Settings precisely, read the Nonius, and an hundred other details besides I’d but bore you with — Thomas Pynchon Mason & Dixon

Derived terms

  • nonius horopter

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