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# cube

«cube» in Mova's school dictionary: **a solid shape with 6 square faces that are all the same…** — 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 (cube, cubes); verb (cube, cubed — to cut into cubes or to multiply a number by itself three times)

### meaning for a pupil

1) A cube is a solid shape with 6 square faces that are all the same size, like a dice. A cube has 6 faces, 12 edges and 8 corners. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cube/#m1)

2) A cube is a small block of something, like an ice cube or a sugar cube. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cube/#m2)

3) The cube of a number is the number times itself times itself: the cube of 2 is 8. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cube/#m3)

4) The cube root of a number is the number which, multiplied by itself twice, gives that number. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cube/#m4)

### sense in the lessons

maths: a shape with 6 faces, 12 edges and 8 corners (vertices); small cubes for volume, counting and stacking; volume = edge × edge × edge; cube numbers 1, 8, 27, 64; science: ice cubes melting; everyday life: cubes of cheese, building blocks, puzzle cubes

### examples

- A cube has 6 faces. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cube/#x1)
- She builds a tower with 12 cubes. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cube/#x2)
- How many 1 cm cubes fill the box? [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cube/#x3)
- Each cube has edges 3 cm long. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cube/#x4)
- Put 2 ice cubes in your drink. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cube/#x5)
- The cube of 3 is 27. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cube/#x6)
- Cut the cheese into cubes. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cube/#x7)
- A dice is a cube with dots. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cube/#x8)
- He tried it by square root and by cube root. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/cube/#x9)

### note

Fixed numbers: 6 faces, 12 edges, 8 corners; volume = edge × edge × edge. Trap: «the cube of 3» means 3 × 3 × 3 = 27, not 3 × 3 (that is the square). A cube is solid (3D); a square is flat (2D).

### In the corpora

- [Heat, stirring and small grains all make dissolving faster, which is why loose sugar vanishes before a sugar cube does.](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/6-mixing-and-dissolving/4/)
- [Left: 5 cubes and 20 g.](https://md.mova.elamur.ai/free/en/corpora/school/lessons/186-balance-pans/2/)
- [Right: 2 cubes and 110 g.](https://md.mova.elamur.ai/free/en/corpora/school/lessons/186-balance-pans/3/)
- [Take 2 cubes and 20 g off each side: 3 cubes balance 90 g.](https://md.mova.elamur.ai/free/en/corpora/school/lessons/186-balance-pans/4/)
- [So one cube weighs 90 ÷ 3 = 30 g.](https://md.mova.elamur.ai/free/en/corpora/school/lessons/186-balance-pans/5/)

### Trees and pragmatics

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