noun. A colorless liquid, C₁₀H₂₀O, with a floral odor, derived from any of several essential oils, especially rose and geranium oils, or made synthetically and used extensively in perfumery.

noun. An alcohol, CH₂ = C(CH₃) (CH₂)₃CH(CH₃)CH₂CH₂OH, found in its levogyrate form in rose-oil, pelargonium-oil, and geranium-oil. It is also formed by the reduction of citronellal. It boils at 117–118° C. under 17 millimeters.

noun. A natural acyclic monoterpenoid, occurring in citronella oils and used in perfumes and insect repellents.

"Geranium is a very important and useful note in perfumery, but usually plays only a supporting role: its high contents of geraniol, citronellol both present at very high ratio in rose oil and absolute makes it a perfect rose extender."

benzaldehyde  borneol  camphene  carotene  dipentene