pentadiene
noun
pen·ta·diene
¦pentə+
: any of several straight-chain liquid diolefins C5H8
especially : piperylene compare cyclopentadiene
Word History
Etymology
penta- + -diene
- photopic
- photoplate
- photoplay
- photoplays
- photopolarimeter
- photopolarimeters
- photopolymer
- photopolymers
- photopositive
- photoprint
- photoprinting
- photoproduct
- photoproductions
- photoproducts
- photoproton
- photoptometer
- photoradio
- photoradiogram
- photoradiograph
- photoradiographic
- photoradiography
- photoreaction
- photoreactions
- photoreactivating
- photoreactivation