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# crystal

«crystal» in Mova's school dictionary: **a solid with a regular shape, flat sides and sharp edges…** — 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 (crystal, crystals); adjective (crystal — made of crystal; crystal clear)

### meaning for a pupil

1) A crystal is a solid with a regular shape, flat sides and sharp edges, formed naturally when some substances become solid, like salt, sugar, snowflakes or quartz. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/crystal/#m1)

2) Crystal is a kind of very clear, high-quality glass, used for glasses and decorations. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/crystal/#m2)

3) «Crystal clear» means completely clear, very easy to see or understand. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/crystal/#m3)

### sense in the lessons

In science, pupils grow crystals from salt, sugar or alum solutions and look at them with a magnifying glass; snowflakes are ice crystals with six sides; rocks and gems (quartz, diamonds) are crystals. In everyday life: crystal glasses, a crystal ball in fortune-telling stories. Phrases: salt crystals, ice crystals, grow crystals, crystal clear, crystal ball.

### examples

- We grew salt crystals on a piece of string. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/crystal/#x1)
- Every snowflake is made of ice crystals. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/crystal/#x2)
- Quartz is a common crystal in rocks. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/crystal/#x3)
- The water in the lake was crystal clear. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/crystal/#x4)
- The witch looked into her crystal ball. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/crystal/#x5)
- Grandma keeps her crystal glasses for special days. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/crystal/#x6)
- Is that crystal clear? [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/crystal/#x7)
- A Stag, drinking from a crystal spring, saw himself mirrored in the clear water. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/crystal/#x8)

### note

Countable: crystals. Spelling: c-r-y-s-t-a-l. Myth: crystals do not have healing powers; that is not science. «Crystallise» (UK) / «crystallize» (US) is the verb.

### In the corpora

- [It does this by changing the spacing of tiny crystals in their skin.](https://md.mova.elamur.ai/free/en/corpora/school/biology/45-sloth-narwhal-chameleon-eel-giraffe/11/)
- [The plant stored that sugar as food for itself, and we squeeze it out and boil it into crystals.](https://md.mova.elamur.ai/free/en/corpora/school/biology/347-sugar-chocolate-tea-and-coffee-the-plants-behind-treats/2/)
- [When salty water evaporates, the salt stays behind as crystals; sea salt is made this way in sunny places.](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/8-separating-mixtures/8/)
- [And ice cream feels smooth because it is stirred while freezing, keeping its ice crystals tiny.](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/22-milk-cheese-and-yoghurt/7/)
- [Ice cream is stirred while freezing so the ice crystals stay tiny; melted and refrozen ice cream grows big crystals and feels crunchy.](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/22-milk-cheese-and-yoghurt/18/)

### Trees and pragmatics

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