fluoride
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 →
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 →
- Fluoride helps stop tooth decay. tree →
- Spit out the toothpaste, but don't rinse it all away. tree →
- Our tap water has fluoride in it. tree →
- The dentist painted fluoride on my teeth. tree →
- Fluoride makes tooth enamel stronger. tree →
- A pea-sized blob of fluoride toothpaste is enough for children. tree →
- Do not swallow toothpaste. tree →
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.
- Bacteria on teeth make acid from sugar, which damages enamel; toothpaste is slightly alkaline, and fluoride in it makes enamel tougher.
- After brushing you spit out the toothpaste but do not rinse straight away, so the fluoride keeps protecting the teeth.
- Toothpaste is spat out, not swallowed, because too much swallowed fluoride is not good for the body.
- Sealants and fluoride varnish are quick, painless coatings that help protect the back teeth from decay.
Trees and pragmatics
Every meaning and example of «fluoride» parsed by Mova, each sentence with its dependency tree and frames.