imaginary part of a complex number is a noun meaning "the part of a complex number that has the square root of -1 as a factor". It carries one recorded sense.
the part of a complex number that has the square root of -1 as a factor
Definitions, synonyms and semantic relations for imaginary part of a complex number come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.