Did you know?

Click any word in a definition or example to find the entry for that word

crystal

 - definitions and thesaurus
Close

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

Close

Thesaurus

The thesaurus of synonyms and related words is fully integrated into the dictionary. Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning.

more
noun crystal pronunciation in British English /ˈkrɪst(ə)l/ 
Word Forms
Close
singularcrystal
pluralcrystals
  1. 1
    [countable] chemistry a piece of a substance that has a regular shape with many sides and is formed when the substance becomes solid

    ice/salt/sugar/snow crystals

  2. 2
    [countable/uncountable] a clear rock that looks like glass, especially quartz
    Synonyms and related words for this sense of crystal
    1. a.
      a piece of crystal used as a jewel

      a crystal necklace

      Synonyms and related words for this sense of crystal
  3. 3
    [uncountable] clear glass of very good quality

    a set of crystal wine glasses

    1. a.
      objects such as glasses and bowls made from crystal

      We should use the good crystal at dinner tonight.

  4. 4
    [countable] the piece of glass or plastic that protects the face of a clock or watch
    Synonyms and related words for this sense of crystal

likebait

web content which is specifically intended to make Facebook users click the 'Like' button associated with it

BuzzWord Article

Open Dictionary

Grexit

the possibility of Greece leaving the Eurozone …

add a word

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog