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helioscope

Noun CEFR B2

Definitions

An apparatus for viewing the Sun without harming the eye, by means of an optical filter that attenuates most of the sunlight while allowing only a small amount of the solar radiation.

Equivalents

Españolhelioscopio
Françaishélioscope
DeutschHelioskop
4 more languages
Italianoelioscopio
Portuguêshelioscópio
Românăhelioscop
Русскийгелиоско́п

CEFR level

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

See also

helioscopin helioscopy helioseismological helioseismologist helioseismology helioses

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