acropetal Syllabification: (a·crop·e·tal)Pronunciation: /əˈkräpitl/Definition of acropetal adjective Botany (of growth or development) upward from the base or point of attachment. The opposite of basipetal. (of the movement of dissolved substances) outward toward the shoot and root apexes. Derivatives acropetally adverb Origin: late 19th century: from Greek akron 'tip' + Latin petere 'seek'acropetal in other Oxford dictionaries Definition of acropetal in the British & World English dictionary