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# occlusion

«occlusion» in Mova's school dictionary: **A blocking or closing of a tube, pipe or blood vessel** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

noun (occlusion, occlusions; also uncountable)

### meaning for a pupil

1) (formal, medicine) A blocking or closing of a tube, pipe or blood vessel. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/occlusion/#m1)

2) (dentistry) The way your top and bottom teeth fit together when you bite. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/occlusion/#m2)

3) (weather) An occluded front, where a cold front catches up with a warm front. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/occlusion/#m3)

4) (science, astronomy) One object hiding another from view, as when the Moon passes in front of a star. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/occlusion/#m4)

### sense in the lessons

A science and medical word: doctors talk about an occlusion in an artery; dentists and orthodontists (braces) check your occlusion; weather forecasters and geography lessons mention occlusions on weather maps; in astronomy it is like an eclipse.

### examples

- The doctor found an occlusion in the blood vessel. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/occlusion/#x1)
- The dentist checked my occlusion to see how my teeth meet. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/occlusion/#x2)
- Braces can fix a bad occlusion. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/occlusion/#x3)
- The weather map showed an occlusion bringing rain. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/occlusion/#x4)
- An eclipse is a kind of occlusion of the Sun. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/occlusion/#x5)
- In video games, occlusion means hiding objects behind others. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/O/occlusion/#x6)

### note

Formal and technical. Verb "occlude" (to block). Pronounced "uh-KLOO-zhun". Everyday word: "blockage".

### Trees and pragmatics

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