halogen
halogen
[ˈhalədʒ(ə)n, ˈheɪl-]
noun
halogenic
adjective
语源
[ˈhalədʒ(ə)n, ˈheɪl-]
noun
- (Chemistry)any of the elements fluorine, chlorine, bromine, iodine, and astatine, occupying group VIIA (17) of the periodic table. They are reactive non-metallic elements which form strongly acidic compounds with hydrogen from which simple salts can be made
(化)卤（素）
■[as modifier]denoting lamps and radiant heat sources using a filament surrounded by the vapour of iodine or another halogen
（灯，热辐射源）卤素的
a halogen bulb.
卤素灯泡。
halogenic
adjective
语源
- mid 19th cent.: from Greek hals, halo- 'salt' + -gen
热门查询
- shane abbr.steerable hydrophone array nonlinear element 可控水听器阵列非线性元件
- shang n.商（中国古朝代名）
- shanghai vt.（以暴力或不正当手段 ）劫掠（某人）去作水手,（以武力或武力威胁）强行拘留；诱拐,上海（中国东部港市）
- shanghailander n.上海人
- shangrila n.理想乐园
- shank n.胫，小腿,钥匙柄,轮轴
- shankaracharya 商羯罗查尔雅（即Shankara）
- shankbone n.（动物的）胫骨
- shankpiece n.（插在鞋底腰窝部分的）弓形垫
- shanna n.莎娜(f.)
- shansi 山西
- shant n.<俚>一壶酒，酒
考试词汇表
