Definition of double determiner from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈdʌbl//
; NAmE NAmE//ˈdʌbl//
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twice as much/many  twice as much or as many as His income is double hers. He earns double what she does. We need double the amount we already have. Word Origin Middle English: via Old French from Latin duplus, from duo ‘two’ The verb is from Old French dobler, from late Latin duplare, from duplus.
See the Oxford Advanced American Dictionary entry: double