halogen [i h2lqd[qn, `d[#n, h3il` | h2lqd[#n ]     (순위: 16336 - 대졸 수준)   뜻  명) [화학] 할로겐; 조염 원소 Mean  Any of a group of five chemically related nonmetallic elements including fluorine, chlorine, bromine, iodine, and astatine. 예문 1. halogen acid (할로겐화 수소산)