angina

This term is used primarily in medical contexts to describe a specific type of chest pain. It is often distinguished between stable angina, which occurs predictably during exertion, and unstable angina, which is a medical emergency occurring at rest.

As a medical condition, the word is treated as an uncountable noun. It refers to the state of the condition rather than individual instances of pain, meaning it does not typically take a plural form in clinical or standard usage.