safety tube

Noun CEFR B2

Definitions

A tube to prevent explosion, or to control delivery of gases by an automatic valvular connection with the outer air; especially, a bent funnel tube with bulbs for adding those reagents which produce unpleasant fumes or violent effervescence.

CEFR level

B2

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

See all B2 English words →

See also

safety valve safety yellow safety-deposit box safety-valve Safetying safetyism

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