Definition of hypsographical in US English:

hypsographical

adjective

  • See hypsography

    • ‘Uttar Pradesh can be divided into three distinct hypsographical regions.’
    • ‘It represents the hypsographical elevation zones that can be represented as a polygon.’
    • ‘The average altitude of a watershed can be deduced directly from the hypsographical curve or from reading the topographical map.’

Pronunciation

hypsographical

/ˌhipsōˈɡrafikəl/