CEFR B2
beam balance
noun
Meaning
A weighing instrument consisting of a horizontal bar supported at its center, with pans suspended from each end to compare the masses of two objects.
Examples
- She used a traditional beam balance to measure the exact amount of chemical powder needed for the experiment.
- In the antique shop, a brass beam balance sat on the counter as a decorative piece.
Synonyms: scale, balance, weighing machine, equal-arm balance