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# roundness

«roundness» in Mova's school dictionary: **The quality of being round or curved like a circle or ball** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

noun (roundness — uncountable)

### meaning for a pupil

1) The quality of being round or curved like a circle or ball. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/roundness/#m1)

2) A full, smooth quality, for example of a sound or a taste. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/roundness/#m2)

### sense in the lessons

In maths, roundness is about circles, spheres and curves; a circle is perfectly round. In science and geography, the roundness of the Earth (it is close to a sphere) explains why ships seem to disappear over the horizon. In art, roundness makes a drawing look solid. Phrases: the roundness of the Earth, the roundness of her face.

### examples

- The roundness of the ball helps it roll. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/roundness/#x1)
- The Earth's roundness was known to the ancient Greeks. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/roundness/#x2)
- Pebbles get their roundness from being rolled by water. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/roundness/#x3)
- The artist shaded the apple to show its roundness. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/roundness/#x4)
- The roundness of the cello's sound was lovely. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/roundness/#x5)
- We measured the roundness of each orange. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/roundness/#x6)
- Even the moon is not always perfect in shape, but loses its roundness with time, and flowers bloom and then fade. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/R/roundness/#x7)

### note

Uncountable. From "round" + -ness. The Earth is not perfectly round — it bulges a little at the equator. Myth: people in the Middle Ages did not all think the Earth was flat; educated people knew it was round.

### Trees and pragmatics

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