How to say it: Contusion (con-TWO-schin)
What it means: A tissue injury, like a bruise.
Where it comes from: Latin, contusio, meaning “to pound.”
Where you might see or hear it: You might hear the term “contusion” used to describe an injury that was sustained during an attack or crime. Doctors use the term to note that a bodily tissue has been injured, but that there is no open wound in the skin.
The word contusion is sometimes used to describe a type of brain injury; a “brain bruise” is different from a concussion.
When you might want to use it: If you get an injury that did not break the skin, but it is bleeding beneath the skin and leaves a mark or bruise, you likely have a contusion. The tissue has been hurt, but there is no open wound.