cyanogenesisPronunciation: /ˌsʌɪənə(ʊ)ˈdʒɛnɪsɪs/Definition of cyanogenesis noun [mass noun] Botany the production of hydrogen cyanide by certain plants, such as cherry laurel and bracken, as a response to wounding or a deterrent to herbivores. cyanogenesis in other Oxford dictionaries Definition of cyanogenesis in the US English dictionary
