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# dimension

«dimension» in Mova's school dictionary: **a measurement in one direction, like length, width or height** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

noun (a dimension, dimensions)

### meaning for a pupil

1) A dimension is a measurement in one direction, like length, width or height. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimension/#m1)

2) The dimensions of something are its size: its length, width and height. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimension/#m2)

3) A dimension is a part or side of something, like a problem or a feeling. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimension/#m3)

4) In stories, another dimension is a different world or reality. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimension/#m4)

### sense in the lessons

In maths: 2D shapes have two dimensions (length and width), 3D shapes have three (length, width, height). Pupils find dimensions to work out area and volume. In everyday life: the dimensions of a room or a box. Phrases: 2D, 3D, dimensions of, a new dimension.

### examples

- A square is a 2D shape: it has two dimensions. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimension/#x1)
- A cube has three dimensions. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimension/#x2)
- What are the dimensions of the box? [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimension/#x3)
- The room's dimensions are 4 metres by 3 metres. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimension/#x4)
- Write the dimensions of the rectangle and find its area. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimension/#x5)
- Music added a new dimension to the play. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimension/#x6)
- In the story, the children slipped into another dimension. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimension/#x7)
- A line has only one dimension, its length. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimension/#x8)
- The Greek Sphinx may be recognized by having wings and by being of smaller dimensions than the Egyptian Sphinx. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/dimension/#x9)

### note

Countable. "2D" = two-dimensional, "3D" = three-dimensional. Adjective: dimensional. In maths, dimensions 4 m by 3 m give area 4 × 3 = 12 square metres; three dimensions multiply to give volume.

### Trees and pragmatics

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