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Meaning of mercury switch | Babel Free

Noun CEFR B2

Definitions

A switch that opens and closes an electric circuit through a small amount of liquid mercury.

CEFR level

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

See also

mercury-vapor lamp mercury-vapour lamp Mercury's staff mercury(I) iodide mercuryquake Mercutio

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