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Meaning of heliochromism | Babel Free

Noun CEFR C1

Definitions

The property of certain photochromic materials of colouring in near-ultraviolet light and then fading in its absence; they are used in the lenses of sunglasses

uncountable

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

See also

heliochromoscope heliochromotype Heliochromy heliocide heliodinid heliodon

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