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# lava

«lava» in Mova's school dictionary: **hot, melted rock that flows out of a volcano** — 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 (lava — uncountable)

### meaning for a pupil

1) Lava is hot, melted rock that flows out of a volcano. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/L/lava/#m1)

2) Lava is also the rock formed when this melted rock cools and hardens. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/L/lava/#m2)

### sense in the lessons

In geography and science lessons lava comes from magma (melted rock inside the Earth) and cools into igneous rock like basalt. In games «the floor is lava» means don't touch the floor. Phrases: «a lava flow», «red-hot lava», «lava lamp», «the floor is lava».

### examples

- Lava poured down the side of the volcano. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/L/lava/#x1)
- Lava can be over 1,000 degrees Celsius. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/L/lava/#x2)
- When lava cools it becomes hard rock. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/L/lava/#x3)
- The islands of Hawaii were made by lava. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/L/lava/#x4)
- We played «the floor is lava» on the sofas. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/L/lava/#x5)
- A lava lamp has slow blobs of coloured wax. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/L/lava/#x6)
- The lava flow destroyed the road. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/L/lava/#x7)
- Does the crater of the volcano know that the glowing lava is pouring from it? [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/L/lava/#x8)

### note

Uncountable: some lava, a lava flow. Trap: magma is melted rock under the ground; once it comes out of the volcano it is called lava. Pronounced LAH-vuh.

### In the corpora

- [In a lava lamp, wax heated at the bottom expands, becomes less dense and rises, then cools and sinks.](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/7-oil-and-water/12/)
- [Nature makes glass too, when lightning strikes sand or lava cools very fast.](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/30-glass-and-pottery/4/)
- [Underground the melted rock is called magma; once it pours out on the surface it is called lava.](https://md.mova.elamur.ai/free/en/corpora/school/geography/46-volcanoes-how-and-where/1/)
- [Melted rock is called magma while it is underground and lava once it pours out on the surface.](https://md.mova.elamur.ai/free/en/corpora/school/geography/46-volcanoes-how-and-where/6/)
- [Rock that cools slowly underground has big crystals, while lava that cools fast on the surface has tiny crystals.](https://md.mova.elamur.ai/free/en/corpora/school/geography/48-igneous-rocks-and-the-rock-cycle/6/)

### Trees and pragmatics

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