pelargonaldehyde
noun
pel·ar·gon·aldehyde
¦peˌlärˌgän+
: a liquid aliphatic aldehyde CH3(CH2)7CHO that occurs in many essential oils (as of orrisroot, cinnamon, or lemongrass) and is used in perfumes and flavors; nonanal
Word History
Etymology
International Scientific Vocabulary pelargonic + aldehyde