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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.



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verb [intransitive/transitive] crystallize pronunciation in American English /ˈkrɪst(ə)lˌaɪz/
Word Forms
present tense
present participlecrystallizing
past tensecrystallized
past participlecrystallized
  1. 1
    chemistry to change into crystals, or to make something change into crystals
    Ice had crystallized on the window pane overnight.
  2. 2
    to become definite or easily understood, or to make something definite or easily understood
    It was her trips to South and Central America that crystallized her desire to work on environmental issues.


used to describe foods which don't contain ingredients such as wheat, dairy products etc …

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Open Dictionary

red market

the buying and selling of human organs

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