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Definitions from WordNet

Definitions from the Web

Pterygium

Noun:

A pterygium is a wing-shaped growth of thin, fleshy tissue on the surface of the eye, often caused by exposure to sunlight or wind.

Sample Sentence:
- The ophthalmologist diagnosed the patient with a pterygium, recommending sunglasses for protection.

Noun (Anatomy):

In anatomy, a pterygium refers to a thin, flat, wing-like structure.

Sample Sentence:
- The pterygium in birds helps in the propulsion during flight.

Noun (Botany):

In botanical terms, a pterygium is a membranous appendage or winged appendage on a seed.

Sample Sentence:
- The pterygium on the seed of that plant aids in its dispersal by wind.

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