o·le·fin 
(ōlə-fĭn)
(ōlə-fĭn)n.
1. Any of a class of unsaturated open-chain hydrocarbons having at least one double bond.
2. A fiber or fabric made of this material.
[French (gaz) oléfiant, oil-forming (gas), ethylene : Latin oleum, oil; see OIL + French -fiant, present participle of -fier, -fy.]
o′le·finic adj.
- best man
- bestow
- bestowable
- bestowal
- bestowment
- bestrew
- bestride
- bestseller
- best seller
- bestsellerdom
- best-selling
- be stuck on
- bet
- beta
- beta-adrenergic
- beta-adrenergic antagonist
- beta-adrenergic blocker
- beta-adrenergic receptor
- beta-agonist
- beta-amyloid
- beta-blocker
- beta carotene
- beta-carotene
- beta cell
- beta decay