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Meaning of water telescope | Babel Free

Noun CEFR B2

Definitions

A telescope in which the medium between the objective and the eyepiece is water instead of air, used in some experiments involving aberration.
A telescope devised for looking into a body of water.

CEFR level

B2

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

See also

water tender water thermometer water tick water to one's mill water tower water toxemia