Definition of underdetermination in US English:

underdetermination

noun

  • See underdetermine

    • ‘We might say that realism can produce underdetermination because of its ability to lower the threshold of interpretation and economize on meaning.’
    • ‘The underdetermination of theory by data allows for a surfeit of plausible comparisons and interpretations.’

Pronunciation

underdetermination

/-ˌtərməˈnāSHən/