derailleur
/dɪˈreɪl(j)ə
/noun
A bicycle gear which works by lifting the chain from one sprocket wheel to another of a different size.The other side of the rollers will now contact the gears, and the derailleurs will now be laterally bending the chain the opposite direction....
- Then coat your bike's chain, derailleurs and pedals with a light lubricant.
- My front derailleur and chain rings were so full of mud I couldn't change gears, so I was stuck pedalling in the big chain ring.
Origin
1930s: from French, from dérailler 'derail'.
Rhymes
- reciprocal ratio
- reciprocal spiral
- reciprocant
- reciprocate
- reciprocately
- reciprocating engine
- reciprocation
- reciprocative
- reciprocator
- reciprocatory
- reciprocitarian
- reciprocity
- reciprocity failure
- reciprocity law
- reciprocity theorem
- reciprocous
- reciprocy
- recircle
- recirculate
- recirculating ball
- recirculation
- recirculatory
- recision
- recissory
- recitable