Phrase guide
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noun
A concept in special relativity that corresponds to the rigid body of nonrelativistic classical mechanics. It is satisfied if the orthogonal spacetime distance between infinitesimally separated curves or world lines is constant.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Qualifier: quantum mechanics
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
The concept was introduced by Max Born in 1909.
