- a colourless slightly water-soluble liquid with a lemon-like odour, a terpene aldehyde
found esp in citronella and certain eucalyptus oils: used as a flavouring and in soaps
and perfumes. Formula: (CH3)2C:CH(CH2)2CH(CH3)CH2CHO Also called: rhodinal
Example Sentences Including 'citronellal'
This last contains many more alcohols (up to 65 per cent geraniol) and far fewer aldehydes (up to 15 per cent citronellal ).
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