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Meaning of phototonus | Babel Free

Noun CEFR B2

Definitions

sensitivity to, or irritation caused by, light

uncountable

CEFR level

B2

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

See also

phototopographer phototopography phototourism phototoxicity phototoxin phototransduction