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steelyard n. 秤 秤 steelyard n 1: a portable balance consisting of a pivoted bar with arms of unequal length [synonym: {steelyard}, {lever scale}, {beam scale}] Steelyard \Steel"yard\ (st[=e]l"y[aum]rd; colloq.
st[i^]l"y[~e]rd; 277), n. [So named from a place in London called the Steelyard, which was a yard in which steel was sold.] A form of balance in which the body to be weighed is suspended from the shorter arm of a lever, which turns on a fulcrum, and a counterpoise is caused to slide upon the longer arm to produce equilibrium, its place upon this arm (which is notched or graduated) indicating the weight; a Roman balance; -- very commonly used also in the plural form, steelyards. [1913 Webster]
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