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Meaning of thumb blue | Babel Free

Noun CEFR B2

Definitions

An indigo dye, in the form of small balls or lumps, used in the 19th century for dyeing linen etc.

historical, obsolete, uncountable

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

thumb drive thumb fight thumb index thumb knot Thumb Master thumb on the scale

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