A 2 wheeled device, propelled using your legs pushing on pedals, connected to a mechanical system of gears to turn the wheels.
A bicyclobutane is a bicyclic hydrocarbon consisting of two separate cyclobutane rings joined by a single bond, or a highly strained, bicyclic hydrocarbon consisting of two fused cyclopropane rings.
Pinene (C10H16) is a bicyclic monoterpene chemical compound.
Decalin is the term used to indicate decahydronaphthalene, it is a bicyclic organic compound.
A benzisoxazole is a bicyclic heterocycle consisting of a benzene ring fused to that of isoxazole.
A benzoxazole is a bicyclic heterocycle consisting of a benzene ring fused to that of oxazole.
A benzothiopyran is a bicyclic heterocycle consisting of a benzene ring fused to that of thiopyran.
A benzotriazole is a bicyclic heterocycle consisting of a benzene ring fused to that of triazole.
A benzothiazole is a bicyclic heterocycle consisting of a benzene ring fused to that of thiazole.
A benzothiazine is a bicyclic heterocycle consisting of a benzene ring fused to that of thiazine.
An amanitine is a bicyclic oligopeptide, found in Amanita phalloides, the death cap mushroom, which serves as a deadly amatoxin.
A benzofurane is another term for a benzofuran - any of a class of bicyclic heterocycles consisting of a benzene ring fused with one of furan.
Both are bicyclic aromatic solid compounds insoluble in water