nonius

n. 游标

发音

/ˈnəʊnɪəs/

词形变化

noniuses 复数 noniuses

释义与例句

n.
  1. 1.

    A device for adjusting the accuracy of mathematical instruments, later superseded by the vernier.

词源

Borrowed from Latin Nonius, the Latinised form of the name of its inventor, Pedro Nunes (1502-78), a Portuguese mathematician and geographer.

来源：wiktionary