Nonius

Pronunciation

• IPA: /ˈnəʊnɪəs/

Origin

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

Full definition of nonius

Noun

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 A device for adjusting the accuracy of mathematical instruments, later superseded by the vernier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

Anagrams

• unions, Unions
• unison, UNISON