Nonius can refer to:
People
* Romans belonging to the
Nonia gens
The gens Nonia was a plebeian family at ancient Rome. Its members first appear in history toward the end of the Roman Republic, Republic. The first of the Nonii to obtain the Roman consul, consulship was Lucius Nonius Asprenas (consul 36 BC), Lu ...
*
Pedro Nunes
Pedro Nunes (; Latin: ''Petrus Nonius''; 1502 – 11 August 1578) was a Portuguese mathematician, cosmographer, and professor, from a New Christian (of Jewish origin) family.
Considered one of the greatest mathematicians of his time, Nunes ...
(Latin: Petrus Nonius) (1502–1578), Portuguese astronomer and mathematician
Other
*
Nonius (horse), a breed of horse
*
Nonius (device), a precursor to the Vernier scale
*
Nonius (crater)
Nonius is a lunar impact crater. It is located in the rugged southern highlands on the Moon's near side. It was named after 16th century Portuguese mathematician Pedro Nunes, Latinized as ''Nonius''. The northwestern side and about half the int ...
, a lunar crater
See also
*
Nonus
Nonus () is a Latin ''praenomen'', or personal name. It was never particularly common at Rome, but may have been used more frequently in the countryside. Although not attested in surviving Latin inscriptions, the name must have been used occasiona ...
*
Nonnus
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