pyrogenn.
英 'paɪrədʒ(ə)n | 美 'paɪrədʒən
中文n. 热原质；发热源
词根词源
pyrogen (n.)1858, as a proposed word for "electricity," from pyro- + -gen. Meaning "fever-producer" is from 1896. Related: Pyrogenic; pyrogenetic. Greek pyrogenes meant "born in fire, wrought by fire."
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