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general::
noun ADJ. weighing | bathroom, kitchen QUANT. pair, set a pair of kitchen scales VERB + SCALES put sth on/onto, weigh sth on | get on/onto, stand on, step on/onto | tip At birth, she tipped the scales at a healthy 7lb 9oz. PREP. on the ~ I had a shock when I stood on the scales.
Oxford Collocations Dictionary