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Meaning of hand boiler | Babel Free

Noun CEFR B2
ˈhænd ˈbɔɪlə

Definitions

A toy usually consisting of a glass sculpture made of two bulbs connected by a looped and twisted piece of tubing, which contains dyed ethanol inside that seemingly boils when gripped.

CEFR level

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