Word · Frequency #27314
ammoniums
铵
ammoniums is the plural of ammonium.
The ion NH4+, derived from ammonia, which behaves in many respects like an alkali metal ion.
- 1.
The univalent NH4+ cation, derived by the protonation of ammonia
一价阳离子NH4+,由氨质子化衍生而来
- 2.
the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion
由氨衍生的NH4离子；在许多方面表现得像碱金属离子
一价阳离子NH4+,由氨质子化衍生而来；由氨衍生的NH4离子；在许多方面表现得像碱金属离子；铵；[化] 铵
In use
The label says this cleaner contains ammonium, so wear gloves when using it.
Ammonium is often added to soil to help plants get enough nitrogen.
Workers test the water for ammonium before releasing it into the river.
ammonium [noun]
ammonium 通常作不可数名词；作定语修饰化合物名称时，中文常译为“铵”或使用化合物惯用名。
Ammonium nitrate is a common fertilizer.
硝酸铵是一种常用肥料。
the ammonium ion
指特定离子时常用定冠词 the。
The ammonium ion forms when ammonia dissolves in water.
氨溶于水时形成铵离子。
ammonium in [medium]
Connections
Collocations
- ammonium nitrate
- 硝酸铵
- Ammonium nitrate is widely used as a fertilizer.硝酸铵广泛用作肥料。
- ammonium sulfate
- 硫酸铵
- Farmers applied ammonium sulfate to improve the soil.农民施用硫酸铵改良土壤。
- ammonium chloride
- 氯化铵
- Ammonium chloride is used in some cough medicines.氯化铵用于某些止咳药中。
- quaternary ammonium
- 季铵
- Quaternary ammonium compounds are common disinfectants.季铵化合物是常见的消毒剂。
- ammonium hydroxide
- 氢氧化铵
- Ammonium hydroxide is a weak base used in cleaning products.氢氧化铵是一种弱碱，用于清洁产品。
- ammonium phosphate
Learner notes
Memory Tip
谐音联想『阿摩尼厄姆』：氨（ammonia）带上正电变成铵离子 NH4+，就像金属离子一样。
Context & Register
语域：formal 常见场景：化学教材、实验报告、科学文献 铵通常用于化学和科学语境，比较正式；日常口语中较少单独使用，多出现在教材、实验报告或专业文献中。
Grammar Note
复数形式为 ammoniums。
Pronunciation & Spelling
真正与 ammonium 押韵（/oʊniəm/）的有 euphonium、harmonium、pandemonium。ammonia 拼写相近但结尾是 /ə/，不押韵；sodium、calcium 虽有 -ium 拼写，但音为 /iəm/，也不押韵。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.