English Lexicon

Pterygium

/ˈtɛrɪdʒiəm/
nounCEFR C1 (Advanced)Top #15000 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A growth of fleshy tissue on the conjunctiva that can extend over the cornea, often associated with exposure to sunlight.

    "The patient was diagnosed with a pterygium after complaining of irritation and redness in the eye."
  2. 2

    A condition characterized by the presence of a pterygium, which may require surgical intervention if it affects vision.

    "Chronic exposure to UV light can lead to the development of pterygium, necessitating surgical removal in severe cases."

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Linguistic Origin & Historical Etymology

The term 'pterygium' originates from the Greek word 'pterygion', meaning 'little wing', which refers to the wing-like appearance of the growth on the eye. It has been used in medical terminology since the early 19th century to describe this specific ocular condition.

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