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Meaning of lightlike | Babel Free

Adjective CEFR B2

Definitions

(of a four-vector) Having a space component whose magnitude is equal to its time component multiplied by the speed of light.

CEFR level

B2

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

See also

lightmapped lightminded lightning lightning fast lightning-quick lightninglike