Meaning of dioptryj | Babel Free
/ˈdjɔp.trɘj/Definicje
genitive plural of dioptria
form-of, genitive, plural
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.