Letters that make dioptre
o, d, e, p, r, t, i are letters that make 'dioptre'
dioptres is a word created by adding a letter to 'dioptre'
1 possible definitions for 'dioptre'
Under this definition, dioptre is a noun and has the following properties:
diopter has the same meaning as dioptre
'dioptre' can be a type of unit of measurement, unit.