Eötvös balance
noun
Eöt·vös balance
| \ ˈət|(ˌ)vəsh-, ˈet|, ˈə̄tˌvə̄sh-, ˈə̄tvəsh-\
Definition of Eötvös balance
: a sensitive torsion balance used for the measurement of variations in the density of the underlying rocks that records the horizontal gradient of gravity
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