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light on

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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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phrasal verb [transitive] formal
Word Forms
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present tense
I/you/we/theylight on
he/she/itlights on
present participlelighting on
past tenselit on
past participlelit on

or light upon

  1. light on/upon something to suddenly find something or think of something

    Suddenly she lit upon a new way of approaching the problem.

See also main entry: light

protologism

a new word or phrase invented in the hope that it will become generally used

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Open Dictionary

garbage patch

a collection of debris, mostly consisting of plastic, which moves around in the sea …

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