Definition of citronellal in US English:



  • A terpenoid aldehyde found especially in citronella, rose, and geranium oils.

    Chemical formula: C₁₀H₁₈O

    • ‘Most of the valuable chemicals which can be derived from citronellal can be produced from beta-pinene, and recently means have been discovered for converting the alpha-pinene in similar ways.’
    • ‘The process will be described with reference to citronellal as the aldehyde but it is equally applicable to homologues thereof.’
    • ‘The release and partitioning of citronellal was evaluated with a kinetic method and by a static headspace method.’
    • ‘Actually, if you wanted to grow a high citronellal plant, then selected forms of lemon balm may have up to 38% citronellal.’
    • ‘He says lemon balm is easy to grow from seeds and contains citronellal, geraniol and geranial.’