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# fluoride

«fluoride» in Mova's school dictionary: **a natural mineral that helps make teeth strong and…** — its meaning for a pupil, its sense in the lessons and examples, with 5 sentences of Mova's corpora that use it.

### part of speech

noun (fluoride, uncountable)

### meaning for a pupil

Fluoride is a natural mineral that helps make teeth strong and protects them from holes (decay). It is added to most toothpastes and, in many places, to tap water. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluoride/#m1)

### sense in the lessons

In health and hygiene lessons: brush your teeth twice a day with fluoride toothpaste, use a pea-sized amount, spit it out and do not rinse straight away so the fluoride keeps working; dentists sometimes paint fluoride varnish on children's teeth. In science, fluoride is a compound of the element fluorine. Phrases: fluoride toothpaste, fluoride varnish.

### examples

- Use fluoride toothpaste twice a day. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluoride/#x1)
- Fluoride helps stop tooth decay. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluoride/#x2)
- Spit out the toothpaste, but don't rinse it all away. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluoride/#x3)
- Our tap water has fluoride in it. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluoride/#x4)
- The dentist painted fluoride on my teeth. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluoride/#x5)
- Fluoride makes tooth enamel stronger. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluoride/#x6)
- A pea-sized blob of fluoride toothpaste is enough for children. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluoride/#x7)
- Do not swallow toothpaste. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluoride/#x8)

### note

Uncountable. Spelled fluor-ide (not «flouride»: f-l-u-o). Pronounced FLOOR-ide. Too much swallowed fluoride is not good, which is why children use only a small amount and spit it out.

### In the corpora

- [Some places add a small amount of fluoride to tap water to protect teeth.](https://md.mova.elamur.ai/free/en/corpora/school/biology/352-teeth-enamel-sugar-holes-brushing-and-the-dentist/10/)
- [Bacteria on teeth make acid from sugar, which damages enamel; toothpaste is slightly alkaline, and fluoride in it makes enamel tougher.](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/16-alkalis-and-soda/11/)
- [After brushing you spit out the toothpaste but do not rinse straight away, so the fluoride keeps protecting the teeth.](https://md.mova.elamur.ai/free/en/corpora/school/everyday/73-brushing-your-teeth/8/)
- [Toothpaste is spat out, not swallowed, because too much swallowed fluoride is not good for the body.](https://md.mova.elamur.ai/free/en/corpora/school/everyday/73-brushing-your-teeth/14/)
- [Sealants and fluoride varnish are quick, painless coatings that help protect the back teeth from decay.](https://md.mova.elamur.ai/free/en/corpora/school/everyday/75-the-dentist-and-washing-hands/8/)

### Trees and pragmatics

[Every meaning and example of «fluoride» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluoride/), each sentence with its dependency tree and frames.