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单词 coarctate
释义

Definition of coarctate in English:

coarctate

adjective kəʊˈɑːkteɪtkoʊˈɑrkˌteɪt
Anatomy Biology
  • 1Pressed close together; contracted; compressed.

    Example sentencesExamples
    • As compared to the ascending aorta, 30-50% narrowing was seen in the coarctate segment in 3 cases.
    • The wild perennial grass species Porteresia coarctate Tateoka formerly O. coarctata Roxb. is considered as a potential source of genes for salinity tolerance.
    • The ring opening is an eight-electron, Möbius, conrotatory process, not the six-electron, Huckel process described by Herges in his original work describing coarctate orbital topology.
    • Formally, the epoxidation of alkenes with peracids can also be considered a coarctate reaction.
    Synonyms
    flatten
    1. 1.1Entomology (of the pupa of certain flies) formed within and remaining concealed by the larval cuticle or puparium.
      Example sentencesExamples
      • The coarctate is immobile and strongly sclerotized, and it has reduced mouthparts, legs, and musculature.
      • Since the pupal case is formed by the larval skin, the pupa within is said to be coarctate.
      • A pupa covered by the hardened 3rd larval skin is known as a coarctate pupa..
      • The coarctate or pseudopupal stages are those in which hibernation or diapause occurs most frequently.
      • The pupa is typically coarctate, or ‘bulletlike’ and is reddish brown with an average length of 5.2 mm.

Origin

Late Middle English: from Latin coarctatus, past participle of coarctare 'press or draw together'.

 
 

Definition of coarctate in US English:

coarctate

adjectivekōˈärkˌtātkoʊˈɑrkˌteɪt
Anatomy Biology
  • 1Pressed close together; contracted; confined.

    Example sentencesExamples
    • The wild perennial grass species Porteresia coarctate Tateoka formerly O. coarctata Roxb. is considered as a potential source of genes for salinity tolerance.
    • As compared to the ascending aorta, 30-50% narrowing was seen in the coarctate segment in 3 cases.
    • Formally, the epoxidation of alkenes with peracids can also be considered a coarctate reaction.
    • The ring opening is an eight-electron, Möbius, conrotatory process, not the six-electron, Huckel process described by Herges in his original work describing coarctate orbital topology.
    Synonyms
    flatten
    1. 1.1Entomology (of the pupa of certain flies) formed within and remaining concealed by the larval cuticle or puparium.
      Example sentencesExamples
      • Since the pupal case is formed by the larval skin, the pupa within is said to be coarctate.
      • The coarctate is immobile and strongly sclerotized, and it has reduced mouthparts, legs, and musculature.
      • The coarctate or pseudopupal stages are those in which hibernation or diapause occurs most frequently.
      • A pupa covered by the hardened 3rd larval skin is known as a coarctate pupa..
      • The pupa is typically coarctate, or ‘bulletlike’ and is reddish brown with an average length of 5.2 mm.

Origin

Late Middle English: from Latin coarctatus, past participle of coarctare ‘press or draw together’.

 
 
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更新时间:2025/1/3 21:45:13