Definition of nomen novum in English:

nomen novum

Pronunciation /ˌnəʊmɛn ˈnəʊvəm/ /ˌnəʊmən ˈnəʊvəm/

noun

  • A Latin name that is a replacement for an earlier, but preoccupied, name.

    The rule permitting this was first proposed in 1878.

Origin

Early 20th century; earliest use found in Science. From scientific Latin nomen novum from classical Latin nōmen + novum, neuter singular of novus.