Meaning of heliochromism | Babel Free
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
CEFR level
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.
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