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Meaning of luminal | Babel Free

Adjective CEFR B1

Definitions

of or pertaining to the lumen
not-comparable
of or pertaining to the nature of light
not-comparable
light-speed; having the speed of light (usually in the void)
not-comparable

CEFR level

B1

Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.

See also

luminant luminar luminescent luminiferous luminious luminised