Meaning of dioptrio | Babel Free
/ˈdjɔp.trjɔ/Definicje
vocative singular of dioptria
form-of, singular, vocative
Poziom CEFR
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.