← Back to search

Meaning of pentagrid converter | Babel Free

Noun CEFR B2

Definitions

A compound thermionic valve used in superheterodyne radio receivers.

CEFR level

B2

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

See also

pentaguanine pentahalide pentahedron pentahelicene pentahex pentahistidine