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# fog

«fog» in Mova's school dictionary: **A thick cloud of tiny water drops near the ground that…** — its meaning for a pupil, its sense in the lessons and examples, with 4 sentences of Mova's corpora that use it.

### part of speech

noun (fog, fogs); verb (fog, fogs, fogged, fogging — fog up)

### meaning for a pupil

1) A thick cloud of tiny water drops near the ground that makes it hard to see. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fog/#m1)

2) A state of confusion: "in a fog". [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fog/#m2)

3) As a verb, to become covered with tiny drops of water so you cannot see through it: "My glasses fogged up." [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fog/#m3)

### sense in the lessons

In weather and science lessons, fog forms when moist air cools near the ground; it is really a cloud at ground level. In safety, fog makes roads and the sea dangerous, so drivers slow down and use fog lights, and walkers wear bright clothes. Phrases: thick fog, fog lights, fog horn, fog up, in a fog.

### examples

- The fog was so thick we couldn't see the house. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fog/#x1)
- Drivers must slow down in fog. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fog/#x2)
- The ship sounded its foghorn. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fog/#x3)
- My glasses fogged up when I came inside. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fog/#x4)
- The bathroom mirror fogs up after a shower. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fog/#x5)
- Wear bright clothes on foggy mornings. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fog/#x6)
- "If the fog would only clear away!" he said. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fog/#x7)

### note

Mostly uncountable: "thick fog"; the adjective is "foggy". Double g in "fogged, fogging". Mist is thinner than fog. Science: steam on a cold mirror is water vapour condensing back into tiny drops.

### In the corpora

- [Fog and dark can make even a short walk confusing, so hikers stay together and tell someone their route.](https://md.mova.elamur.ai/free/en/corpora/school/everyday/230-hiking-and-camping/24/)
- [Thick fog hides you from drivers and hides the path from you.](https://md.mova.elamur.ai/free/en/corpora/school/everyday/236-wind-fog-fire-and-seasons/2/)
- [Some people have tiredness, breathlessness or brain fog for months after COVID, called long COVID; doctors are still studying why.](https://md.mova.elamur.ai/free/en/corpora/school/medicine/12-covid-and-staying-home/14/)
- [Fog is a cloud that forms at ground level.](https://md.mova.elamur.ai/free/en/corpora/school/world/67-clouds-rain-snow-hail/14/)

### Trees and pragmatics

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