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Meaning of vacuum bubble | Babel Free

Noun CEFR B2

Definitions

A hypothetical phenomenon in which a small region of the universe has reached a more stable vacuum state, also known as a bounce.

CEFR level

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

See also

vacuum catastrophe vacuum chamber vacuum cleaner vacuum decay vacuum desiccator vacuum distillation

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