Opaque - What does opaque mean?

Definition of OPAQUE:

A property of materials defined as being impenetrable by light. Unlike transparent and transluscent materials, an opaque material will not allow light to pass through it (it won't transmit light). Opaque materials cannot be seen through.

At Label Planet, we have a range of Opaque Labels, which have both an opaque coating and an opaque adhesive.

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