piperonal
noun
pi·per·o·nal pī-ˈper-ə-ˌnal 
: a crystalline aldehyde C8H6O3 with an odor of heliotrope
Word History
Etymology
International Scientific Vocabulary piperine + -one + -al entry 3
First Known Use
1869, in the meaning defined above
- the smart set
- the sniffles
- the social
- the social whirl
- the soil
- the solar plexus
- the solent
- the Son
- the soul of discretion
- the sound barrier
- the South Pole
- the Southern Lights
- the Spanish
- the Speaker
- the speaker of the house
- the specter of
- the specter of (something)
- the specter of something
- the Spirit
- the spirit is willing but the flesh is weak
- the spirit of the law
- the spitting image
- the sport of kings
- the spotlight
- the squeaky wheel gets the grease