Meaning of -FOLD in English
transcription, транскрипция: [ -foʊld ]
-fold combines with numbers to form adverbs which say how much an amount has increased by. For example, if an amount increases fourfold, it is four times greater than it was originally.
By the late eighties their number had grown fourfold...
Pretax profit surged almost twelvefold.
-fold also combines with numbers to form adjectives.
One survey revealed a threefold increase in breast cancer.
ADJ : ADJ n
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006