Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “crystal”

See all translations

crystal

noun uk   /ˈkrɪs.təl/ us  

crystal noun (GLASS)

C2 [U] transparent glass of very high quality, usually with its surface cut into delicate patterns: a crystal vase [C] US a transparent glass or plastic cover for a watch or clock
More examples

crystal noun (MINERAL)

[C] a piece of a substance that has become solid, with a regular shape: When sea water is allowed to evaporate, salt crystals are deposited. Cirrus clouds are composed of ice crystals. [C or U] clear, transparent rock that is used in jewellery, or a piece of this: a pair of crystal earrings
(Definition of crystal from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of crystal?
Add Cambridge dictionaries to your browser to your website

Definitions of “crystal” in other dictionaries

Word of the Day

pup

a baby of particular animals, or a puppy

Word of the Day

I won’t tolerate it! Replacing formal words with phrasal verbs.

by Liz Walter,
April 01, 2015
When you are using a language, it is important to understand if a word is formal or informal, so that you can use it in an appropriate way. You might hear people saying dosh for money, or spud for potato, but they wouldn’t write those words in a formal essay. Similarly, a

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More