What does Δ stand for?
Δ stands for "Prism dioptre"
How to abbreviate "Prism dioptre"?
"Prism dioptre" can be abbreviated as Δ
What is the meaning of Δ abbreviation?
The meaning of Δ abbreviation is "Prism dioptre"
What does Δ mean?
Δ as abbreviation means "Prism dioptre"
