Relating to, causing, or increasing pain or sensitivity to pain.
From Greek 'algesis' (pain sensation) combined with the suffix '-ic' (meaning relating to). This medical adjective describes anything that intensifies or relates to the pain response.
Spicy peppers are algesic because capsaicin tricks your pain receptors into thinking your mouth is on fire—but your brain can learn that it's not actually dangerous, which is why spice-lovers develop higher tolerance over time.
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