Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
prolificacy is a noun meaning "the property of producing abundantly and sustaining vigorous and luxuriant growth". It carries one recorded sense.
the property of producing abundantly and sustaining vigorous and luxuriant growth
“he praised the richness of the soil”
“weeds lovely in their rankness”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for prolificacy come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.