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词汇 pterostigma
释义

Definition of pterostigma in English:

pterostigma

noun ˌtɛrəˈstɪɡmə
Entomology

  • A pigmented spot on the anterior margin of the wings of certain insects that is denser than the surrounding (typically transparent) parts of the wing and influences the motion of the wing membrane during flight.

Origin

Mid 19th century. From ptero- + stigma.

Definition of pterostigma in US English:

pterostigma

nounˌtɛrəˈstɪɡmə
Entomology

  • A pigmented spot on the anterior margin of the wings of certain insects that is denser than the surrounding (typically transparent) parts of the wing and influences the motion of the wing membrane during flight.

Origin

Mid 19th century. From ptero- + stigma.
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