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English definition of “double”

double

adverb     /ˈdʌb.l̩/
in two parts or layers: Fold the blanket double (= so that it is in two layers) and then you won't be cold. They were bent double (= their heads and shoulders were bent forward and down) from decades of labour in the fields.Single, double and multiple see double to have a problem with your eyes so that you see two of everything, usually because you are drunk or ill: I started seeing double, then I fainted.Eyesight, glasses and lensesUsing the eyesThe eye and surrounding areaOptics, microscopy and lasers
(Definition of double adverb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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