IPA: /ˈpaɪrəˌdʒɛn/
KK: /ˈpaɪrəˌdʒɛn/
A substance that causes an increase in body temperature, leading to fever.
The doctor explained that a pyrogen can trigger a fever in response to infection.
Pyrogen → It is formed from "pyro-" (from Greek "pur", meaning fire) and "-gen" (from Greek "genes", meaning born of or produced by). The word "pyrogen" refers to a substance that produces or generates heat or fever, particularly in a biological context.
Think of 'fire' ('pyro-') producing something ('-gen'), which helps you remember that a pyrogen is something that generates heat or fever.