Meaning of London smoke | Babel Free
Definitions
A neutral tint given to spectacles, shade glasses for optical instruments, etc., which reduces the intensity without materially changing the colour of the transmitted light.
uncountable
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.