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hot tube

Noun CEFR B2

Definitions

A device in some early internal combustion engines that ignited the fuel/air mixture in a tube heated by a flame

CEFR level

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

See also

hot under the collar hot wall hot wallet hot war hot wash hot water

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