English Lexicon

Thinner

/ˈθɪn.ər/
nounCEFR B2 (Upper)Top #1500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A liquid used to reduce the viscosity of a substance, especially paint.

    "The artist used a thinner to achieve the desired consistency for the oil paint."
  2. 2

    A substance that makes something thinner or less dense.

    "The mechanic added a thinner to the oil to improve its flow."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The word 'thinner' originates from the Old English 'þynn', meaning 'slender' or 'thin'. It evolved through Middle English, where it referred to a substance used to reduce the viscosity of paints and other materials, reflecting a shift in usage from physical description to a functional term in art and industry.

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