Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
uninominal is an adjective meaning "based on the system of having only one member from each district (as of a legislature)". It carries one recorded sense.
based on the system of having only one member from each district (as of a legislature)
“a uninominal electoral system”
legislature
Definitions, synonyms and semantic relations for uninominal come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.