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单词 tetramerous
释义

Definition of tetramerous in English:

tetramerous

adjective tɪˈtram(ə)rəsteˈtramərəs
Zoology Botany
  • 1Having parts arranged in groups of four.

    〔植,动〕四(基)数的;四跗节的

    Example sentencesExamples
    • The perianth of Calceolariaceae is shown to be derived from a tetramerous condition, not from pentamery as traditionally believed.
    • The genus is characterized by tetramerous flowers with bithecal anthers, lack of pseudostaminodia, a capitate or poorly defined stigma, and pollen of the Amaranthus type.
    • The species are distinguished from most other tetramerous beetles, by the thickened hinder thighs, by which they are enabled to leap to a considerable height into the air.
    • The proximal aulacophore is polymerous, rather than tetramerous (as in most other stylophorans) and superficially similar to that of the earliest stylophoran, Ceratocystis.
    • The stele is divided into three parts, the tetramerous proxistele closest to the theca tapering through the mesistele to the dimerous dististele furthest from the theca.
    1. 1.1 Consisting of four joints or parts.
      分成四部分的;由四部分构成的
      Example sentencesExamples
      • They usually have umbrella-shaped bodies and tetramerous (four-part) symmetry.

Definition of tetramerous in US English:

tetramerous

adjectiveteˈtramərəs
Botany Zoology
  • 1Having parts arranged in groups of four.

    〔植,动〕四(基)数的;四跗节的

    Example sentencesExamples
    • The perianth of Calceolariaceae is shown to be derived from a tetramerous condition, not from pentamery as traditionally believed.
    • The genus is characterized by tetramerous flowers with bithecal anthers, lack of pseudostaminodia, a capitate or poorly defined stigma, and pollen of the Amaranthus type.
    • The species are distinguished from most other tetramerous beetles, by the thickened hinder thighs, by which they are enabled to leap to a considerable height into the air.
    • The proximal aulacophore is polymerous, rather than tetramerous (as in most other stylophorans) and superficially similar to that of the earliest stylophoran, Ceratocystis.
    • The stele is divided into three parts, the tetramerous proxistele closest to the theca tapering through the mesistele to the dimerous dististele furthest from the theca.
    1. 1.1 Consisting of four joints or parts.
      分成四部分的;由四部分构成的
      Example sentencesExamples
      • They usually have umbrella-shaped bodies and tetramerous (four-part) symmetry.
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更新时间:2025/1/14 14:32:38