gravitational mass

noun Physics.
the mass of a body as measured by its gravitational attraction for other bodies.
Compare inertial mass. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
gravitational mass
Compare inertial mass the mass of a body determined by its response to the force of gravity

Collins English Dictionary - Complete & Unabridged 10th Edition
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