英语词汇niacin的起源、历史背景-英语词源词典

词汇	niacin
词源	niacin. The valuable vitamin, surprisingly enough, takes its name from nicotinic acid, plus the suffix in. In fact, it was at first called nicotinic acid, but that name’s association with to- bacco necessitated the new coining in the early 1940s.
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英语词源词典收录了13259条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。