Definition of rugosity in US English:

rugosity

noun

Biology
  • See rugose

    • ‘The tibia is slender but not sinuous, and the fibula lacks a proximal rugosity, both characteristics of Stagonolepis.’
    • ‘The reassigned material differs from described species of Exostinus (E. lancensis, E. serratus) in terms of the degree of dermal rugosity.’
    • ‘Some rugosity is present on the anterior tips of both fragments, but not on the remainder of the bones as preserved.’
    • ‘The talonid basin lacks rugosity and slopes gently downward towards the ectolophid.’
    • ‘The stone was as clean as Yosemite, but with the rugosity of the rock at Joshua Tree.’

Pronunciation

rugosity

/ro͞oˈɡäsətē/