nonius

English

Etymology

Latinised form of the name of Pedro Nunes (1502-78), a Portuguese mathematician and geographer.

Pronunciation

  • IPA(key): /ˈnəʊnɪəs/

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 A device for adjusting the accuracy of mathematical instruments, later superseded by the vernier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 Screw-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

Translations

Anagrams

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