(ש"ע) מאזני תלייה

n. portable hanging balance

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Noun
1. a portable balance consisting of a pivoted bar with arms of unequal length
(synonym) lever scale, beam scale
(hypernym) balance

(n.)
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.
  

steelyard /'stiljɑ:d/

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