/ dɪˈreɪljə(r); NAmE / noun
( technical ) a type of gear on a bicycle that works by lifting the chain from one gear wheel to another larger or smaller one
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WORD ORIGIN
1930s: from French , from dérailler derail.
/ dɪˈreɪljə(r); NAmE / noun
( technical ) a type of gear on a bicycle that works by lifting the chain from one gear wheel to another larger or smaller one
••
WORD ORIGIN
1930s: from French , from dérailler derail.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005