Meaning of FIBRE in English
(FOOD), US usually fiber, dietary fibre, roughage [noun] [U] - a substance in foods such as fruit, vegetables and brown bread which travels through the body as waste, making digestion and the excretion of the contents of the bowels quicker and more effectiveA lot of the fibre in fruit is found in the skin.It's reckoned that an increased intake of fibre in the diet can reduce the risk of bowel cancer.
Cambridge English vocab. Кембриджский английский словарь. 2012