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Meaning of blast pen | Babel Free

Noun CEFR B2

Definitions

A specially constructed E-shaped double bay to protect aircraft against bomb blasts and splinters during enemy attacks.

CEFR level

B2

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

See also

blast pipe blast processing blast radius blast-furnace gas blast-off Blastaway