a name or designation
the activity or an instance of selecting names for things, esp within a particular system
a system of terms used in a particular science, discipline, or art
botanical nomenclature
nomenclator /ʹnohmenklaytə/ noun
nomenclatural /-ʹklaychərəl, -kləʹchooərəl/ adj
[Latin nomenclatura calling by name, list of names, from nomen name + calatus, past part. of calare to call]