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# cumulonimbus

«cumulonimbus» in Mova's school dictionary: **a very tall, heavy, dark cloud that brings thunderstorms…** — its meaning for a pupil, its sense in the lessons and examples, with 2 sentences of Mova's corpora that use it.

### part of speech

noun (a cumulonimbus, cumulonimbus clouds; plural cumulonimbi or cumulonimbuses)

### meaning for a pupil

1) A cumulonimbus is a very tall, heavy, dark cloud that brings thunderstorms, heavy rain, hail or lightning. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cumulonimbus/#m1)

2) It is the biggest kind of cloud and can have a flat top shaped like an anvil. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cumulonimbus/#m2)

### sense in the lessons

In geography and science lessons on the weather, cumulonimbus is one of the main cloud types; seeing it means a storm may be coming. In safety lessons, when thunder clouds come, get indoors and away from tall trees and water. The name comes from Latin: cumulus (heap) + nimbus (rain cloud).

### examples

- A huge cumulonimbus cloud filled the sky. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cumulonimbus/#x1)
- Cumulonimbus clouds bring thunder and lightning. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cumulonimbus/#x2)
- The top of a cumulonimbus is shaped like an anvil. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cumulonimbus/#x3)
- We went inside when we saw the cumulonimbus coming. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cumulonimbus/#x4)
- Hail falls from cumulonimbus clouds. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cumulonimbus/#x5)
- Label the cumulonimbus on your cloud chart. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cumulonimbus/#x6)

### note

A science word; plural cumulonimbi or cumulonimbus clouds. Different from cumulus (fluffy fair-weather clouds) and cirrus (thin high wispy clouds). Myth: lightning never strikes the same place twice — it can.

### In the corpora

- [Cumulonimbus clouds are tall storm clouds that bring heavy rain, thunder and hail.](https://md.mova.elamur.ai/free/en/corpora/school/world/67-clouds-rain-snow-hail/13/)
- [Thunderstorms grow in tall cumulonimbus clouds where warm, damp air rises fast.](https://md.mova.elamur.ai/free/en/corpora/school/world/68-storms-and-wild-winds/6/)

### Trees and pragmatics

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