Producing or generating heat, especially in the body through metabolic processes.
From Latin 'calor' (heat) + Greek 'genic' (producing). Formed in the 19th century to describe substances or processes that create thermal energy in living organisms.
Your body constantly uses calorigenic foods—proteins, fats, and carbohydrates—to literally generate the warmth that keeps you alive at 98.6°F, which is why you need to eat more in winter!
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