Meaning of dioptriom | Babel Free
/ˈdjɔp.trjɔm/Definicje
dative plural of dioptria
dative, form-of, 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.