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词汇 epigeal
释义

Definition of epigeal in English:

epigeal

adjective ˌɛpɪˈdʒiːəlˌɛpəˈdʒiəl
Botany
  • 1Growing on or close to the ground.

    〔植〕生于地上的;近地面生长的。比较HYPOGEAL

    Compare with hypogeal
    Example sentencesExamples
    • The germination of seeds is epigeal.
    • Following germination, initial growth of both the root and hypocotyl of epigeal seedlings is downwards, arguably as an adaptation to maintain contact with soil moisture in the surface layers of the soil which dry rapidly.
    1. 1.1 (of seed germination) with one or more seed leaves appearing above the ground.
      (子叶)出土的

Origin

Mid 19th century: from Greek epigeios (from epi 'upon' + 'earth') + -al.

Definition of epigeal in US English:

epigeal

adjectiveˌepəˈjēəlˌɛpəˈdʒiəl
Botany
  • 1Growing on or close to the ground.

    〔植〕生于地上的;近地面生长的。比较HYPOGEAL

    Compare with hypogeal
    Example sentencesExamples
    • The germination of seeds is epigeal.
    • Following germination, initial growth of both the root and hypocotyl of epigeal seedlings is downwards, arguably as an adaptation to maintain contact with soil moisture in the surface layers of the soil which dry rapidly.
    1. 1.1 (of seed germination) with one or more seed leaves appearing above the ground.
      (子叶)出土的

Origin

Mid 19th century: from Greek epigeios (from epi ‘upon’ + gē ‘earth’) + -al.

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