Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
velban is a noun meaning "periwinkle plant derivative used as an antineoplastic drug (trade name Velban) that disrupts cell division". It carries one recorded sense.
periwinkle plant derivative used as an antineoplastic drug (trade name Velban) that disrupts cell division
trade name
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 velban come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.