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
    • ‘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.’
    • ‘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.’
    1. 1.1 (of the movement of dissolved substances) outwards towards the shoot and root apices.
      • ‘Xylem flow carries the transpiration stream and is normally entirely acropetal.’
      • ‘In every case, the basipetal movement was greater than the acropetal movement.’
      • ‘It is not clear whether this acropetal increase of flower meristem identity is related to the acropetal loss of the SD suppression.’

Origin

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

Pronunciation:

acropetal

/əˈkrɒpɪt(ə)l/