Word · Frequency #25863
fluoride
氟化物
a salt of hydrofluoric acid
- 1.
A binary compound of fluorine and another element or radical.
氟与另一种元素或基团形成的二元化合物。
- 2.
a salt of hydrofluoric acid
氢氟酸的盐
- 3.
The anionic form of a fluorine atom.
氟原子的阴离子形式。
氟与另一种元素或基团形成的二元化合物。；氢氟酸的盐；氟原子的阴离子形式。；氟化物；[化] 氟化物
In use
Our toothpaste contains fluoride, which helps protect teeth from decay.
The dentist recommended a mouthwash that has fluoride for extra protection.
Some towns add fluoride to their drinking water to improve dental health.
fluoride in [something]
fluoride 通常作不可数名词；指不同种类的氟化物时可用复数 fluorides。
The amount of fluoride in the water is carefully controlled.
水中氟化物的含量受到严格控制。
add fluoride to [something]
Some cities add fluoride to their tap water.
一些城市在自来水里添加氟化物。
Common mistakes
This toothpaste contains flouride.
Connections
Collocations
- sodium fluoride
- 氟化钠
- Sodium fluoride is often added to drinking water to prevent tooth decay.氟化钠常被添加到饮用水中以预防蛀牙。
- fluoride toothpaste
- 含氟牙膏
- Dentists recommend brushing with fluoride toothpaste twice a day.牙医建议每天使用含氟牙膏刷牙两次。
- fluoride treatment
- 氟化物治疗；涂氟
- The dentist gave my son a fluoride treatment after his checkup.牙医在检查后给我儿子做了涂氟治疗。
- fluoride varnish
- 氟保护漆
- Fluoride varnish helps prevent cavities in children's teeth.氟保护漆有助于预防儿童蛀牙。
- fluoride intake
- 氟化物摄入
- Too much fluoride intake can cause dental fluorosis.氟化物摄入过多会导致氟斑牙。
Learner notes
Memory Tip
记忆：fluoride 听起来像 flu（流感）+ ride（骑），想象‘骑着氟化物赶走蛀牙菌’，帮你记住它是氟化物。
Context & Register
语域：neutral 常见场景：牙科与口腔护理、饮用水与公共健康、化学或工业场景 该词常作为标准科技用语使用，在牙科和公共健康讨论中也很常见；通常属于中性正式表达，无明显口语或俚俗色彩。
Pronunciation & Spelling
这些词都以 -ide 结尾，词尾发音均为 /aɪd/，与 fluoride 末尾的 /raɪd/ 一致。但注意，fluoride 的重读元音是 /ʊ/，因此严格来说这些词并不与 fluoride 押韵。拼写相似的 chloride /ˈklɔːraɪd/、bromide /ˈbroʊmaɪd/ 虽然都以 -ide 结尾，但元音和重音位置不同，不要混淆。
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
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.