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[ C or U ] unwanted matter or material of any type, often that which is left after useful substances or parts have been removed
Britain produces 20 million tonnes of household waste each year.
He opposes any kind of nuclear waste being dumped at sea.
Every day, 30 million gallons of untreated human waste (= excrement) flow from Ciudad Juarez into the Rio Grande.
Oil spills are common, as is the dumping of toxic industrial wastes.
The Japanese recycle more than half of their waste paper .
تعنى نفايات أو مخلفات (مصانع ) غير مستخدم
تعني خرب the waste land
تعنى يضيع / ضائعwaste time