relativistic mechanics

noun 0.707

gravitational mass

noun 0.680

rest mass

noun 0.657

inertial mass

noun 0.653

special relativity

noun 0.622

mass energy

noun 0.600

theory of relativity

noun 0.590

relativity

noun 0.583

principle of relativity

noun 0.569

general relativity

noun 0.568

molecular mass

noun 0.563

solar mass

noun 0.550

atomic mass

noun 0.539

time dilation

noun 0.533

relative atomic mass

noun 0.526

relativist

noun 0.523

conservation of mass

noun 0.520

mass defect

noun 0.519

four-momentum

noun 0.517

mass

noun 0.513

relativism

noun 0.507