Outside Diameter (OD) - What does outside diameter mean?

Definition of OUTSIDE DIAMETER:

The outside or outer diameter (OD) is one of the key specifications of rolls of labels; this measurement refers to the diameter of the entire roll of labels in its finished form. It is important to know the outside diameter in order to determine if a roll of labels is compatible with a printer (such as a thermal printer).

Here is the Harvard-style citation to use if you would like to reference this definition of the term outside diameter:
Label Planet (2020) What does outside diameter mean? | Outside Diameter (OD) Definition. Available at: https://www.labelplanet.co.uk/glossary/outside-diameter/ (Accessed: January 1, 2023).