Definition of hecto- combining form from the Oxford Advanced Learner's Dictionary



 combining form
combining form
BrE BrE//ˈhektəʊ//
; NAmE NAmE//ˈhektoʊ//
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(in nouns; often used in units of measurement) one hundred hectometre Word Originfrom French, formed irregularly by contraction of Greek hekaton ‘hundred’.
See the Oxford Advanced American Dictionary entry: hecto-