What does OD stand for?

OD stands for "Ordnance Datum"

How to abbreviate "Ordnance Datum"?

"Ordnance Datum" can be abbreviated as OD

What is the meaning of OD abbreviation?

The meaning of OD abbreviation is "Ordnance Datum"

What does OD mean?

OD as abbreviation means "Ordnance Datum"