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Meaning of hard X-ray | Babel Free

Noun CEFR B2

Definitions

An X-ray with high photon energies above 5–10 keV.

CEFR level

B2

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

See also

hard yakka hard yards hard-arse hard-ass hard-assery hard-bill