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derecho
derecognize
deregister
deregulate
derelict
dereliction
derepress
derepressor
derequisition
derestrict
Derg, Lough
deride
derision
derisive
derisory
deriv.
derivate
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derailleur
de·rail·leur [ di ráylər ] (plural de·rail·leurs)


noun 
Definition:
 
gear changer: a device for changing gears on a bicycle that lifts the chain from one sprocket wheel to another
[Mid-20th century. < French dérailleur< dérailler (see derail)]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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