Definition of acropetal in English:

acropetal

adjective

Botany
  • 1(of growth or development) upwards from the base or point of attachment.

    The opposite of basipetal
    • ‘Similarly, meristem activities in the same acropetal sequence or on the whole-root-system architecture have not yet been compared.’
    • ‘The Alismataceae have acropetal leaf development.’
    • ‘On average, an inflorescence developed 166 • 21 53 • 31 flowers that opened in acropetal order.’
    • ‘These features might be partly associated with the acropetal development of the terminal inflorescence.’
    • ‘Sepal initiation began on the basal lateral flower and continued in an acropetal direction until all floral meristems had completed sepal initiation.’
    1. 1.1 (of the movement of dissolved substances) outwards towards the shoot and root apices.
      • ‘It is not clear whether this acropetal increase of flower meristem identity is related to the acropetal loss of the SD suppression.’
      • ‘Xylem flow carries the transpiration stream and is normally entirely acropetal.’
      • ‘In every case, the basipetal movement was greater than the acropetal movement.’

Origin

Late 19th century: from Greek akron ‘tip’ + Latin petere ‘seek’ + -al.

Pronunciation

acropetal

/əˈkrɒpɪt(ə)l/