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Meaning of dual phenomenology | Babel Free

Noun CEFR B2

Definitions

The requirement for an incoming nuclear attack to be confirmed by both satellite and radar before retaliatory action is taken.

US, uncountable

CEFR level

B2

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

See also

dual photon absorptiometry dual polyhedron dual primary dual resident dual school dual space