i·so·prene 
(īsə-prēn′)
(īsə-prēn′)n.
A colorless volatile liquid, C5H8, used chiefly to make synthetic rubber.
[ISO- + PR(OPYL)ENE.]
i′so·prenoid′ (-prēnoid′) adj.
- photomap
- photomechanical
- photomechanically
- photometer
- photometric
- photometrical
- photometrically
- photometric brightness
- photometrist
- photometry
- photomicrograph
- photomicrographer
- photomicrographic
- photomicrography
- photomicroscope
- photomicroscopic
- photomontage
- photomultiplier
- photomural
- photomuralist
- photon
- photonegative
- photonic
- photonics
- photonuclear