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Nounverified MWEverified

Mass-Energy Equivalence

nounverified·updated May 18, 2026

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(physics) the principle that a measured quantity of mass is equivalent (according to relativity theory) to a measured quantity of energy

MWE

Classifications

per-axis with provenance

Entity Type

Unknown—authoritativeglossary_import_default_pending_classifier

?unassignedlast reviewed —

Sensitivity

unclassified

Information Class

unclassified

Variants

3 surface forms

plural: Mass-Energy Equivalences
possessive: Mass-Energy Equivalence's
pluralpossessive: Mass-Energy Equivalences'

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