pi·per·o·nal 
(pī-pĕrə-năl′, pĭ-)
(pī-pĕrə-năl′, pĭ-)n.
A white powder, C8H6O3, having a floral odor, used as flavoring and in perfume.
[PIPER(INE) + -ON(E) + -AL3.]
- antinovelist
- antinuclear
- antinuclear antibody
- antinucleon
- antinuke
- antinuker
- Antioch
- Antioch
- Antiochus
- antioncogene
- antioxidant
- antiparallel
- antiparasitic
- antiparticle
- antipasto
- Antipater
- antipathetic
- antipathetical
- antipathetically
- antipathy
- antiperiodic
- antipersonnel
- antiperspirant
- antiphlogistic
- antiphon