Definition of directionality in US English:

directionality

noun

  • See directional

    • ‘In a complex queue, directionality is not programmed in; instead it is produced through a system of switches and feedback loops and so on.’
    • ‘The one Feynman came up with is that the trails have a pattern of chemicals within them that impose directionality; that there actually is an arrow in the chemistry of the trail that tells the ant which way the nest lies.’
    • ‘Correlational analyses, as performed in this study, also preclude any statement regarding the directionality of the relationships found, nor can any causality be inferred.’
    • ‘We have two ears which help us to determine directionality,’ he explained.’
    • ‘Seasonal migrations and potential for high rates of gene flow without simple geographic directionality suggest that Mallard populations may show very little geographic structure.’

Pronunciation

directionality

/diˌrekSHəˈnalitē/