halogenn. 鹵素學術名詞鹵素:海洋科學、化學、化學術語、高中化學、高分子材料、物理學鹵族:礦物學英文釋義any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions