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Meaning of relativistic mass | Babel Free

Noun CEFR B2

Definitions

The increased mass of an object moving at relativistic speed relative to an observer.

countable, uncountable

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

relativistic mechanics relativistic quantum mechanics Relativistically Relativities relativitist Relativity