distinguishing

"Even a broken tooth can be a distinguishing mark that will help a family recognise a missing loved one."

Sometimes distinguishing a tell’s layers is a subtle art, but a burn layer stands out from everything around it.

Another distinguishing feature of the species is the presence of hooks on the middle of their eight arms.

They’re capable of distinguishing between a U.S. presidential administration and individual American citizens — especially ones who made the choice to move to Canada.

It says the Air Force responded quickly, but that "there was significant difficulty distinguishing between IDF troops, civilians and terrorists".