aerotropic

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English

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Etymology

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From aero- +‎ -tropic, see also aerotropism.

Pronunciation

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Adjective

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aerotropic (not comparable)

  1. (biology) growing towards higher concentrations of oxygen
    • 1950, Walter Stiles, An Introduction to the Principles of Plant Physiology:
      According to him, roots are positively aerotropic, a root executing a curvature tending to bring the apex in the direction of the highest oxygen concentration, while pollen tubes growing in water are in this sense negatively aerotropic.
    • 1894, American Microscopical Society, Proceedings of the American Microscopical Society:
      The branches of the main root tend to be aerotropic, whether they are in shallow water or mud or deeply submerged.
    • 1921, Frederic Edward Clements, Aeration and Air-content: The Rôle of Oxygen in Root Activity:
      The horizontal growth of the roots upon the water is an aerotropic movement determined by the high oxygen-content of the uppermost water-layer.
    • 1972, Excerpta botanica: Taxonomica et chorologica. Sectio A:
      The lower portion of this aerotropic root-branch bears numerous laterals which grow downward, in a positively geotropic direction.

Translations

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See also

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