Steelyard
[sti:ljɑ:d]
Definition
(noun.) a portable balance consisting of a pivoted bar with arms of unequal length.
Editor: Monica--From WordNet
Definition
(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.
Edited by Laurence
Definition
n. the Roman balance an instrument for weighing consisting of a lever with unequal arms in using which a single weight or counterpoise is employed being moved along a graduated beam.
Editor: Pedro
Examples
- They converted the steelyard into platform scales. William Henry Doolittle. Inventions in the Century.
- The compound lever scale on the principle of the steelyard, but arranged to be used with a platform, was invented and came into use in the United States about 1831. William Henry Doolittle. Inventions in the Century.
Inputed by Juana