Nomen-nudum definition
(zoology) In zoological nomenclature, a name which has appeared in print but has not yet been formally published by the standards of the International Code of Zoological Nomenclature.
noun
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Other Word Forms
Noun
Singular:
nomen-nudum
Plural:
nomina-nudaOrigin of nomen-nudum
- Latin nōmen (“name”) and nūdum, nominative singular neuter of nūdus (“naked”).
From Wiktionary