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Definitions of upper surface
Definition that contains upper surface
  • ceiling the overhead upper surface of a covered space
  • palate the upper surface of the mouth that separates the oral and nasal cavities
  • dorsal belonging to or on or near the back or upper surface of an animal or organ or part
  • spoiler a hinged airfoil on the upper surface of an aircraft wing that is raised to reduce lift and increase drag
  • meniscus (physics) the curved upper surface of a nonturbulent liquid in a vertical tube
  • pternohyla fodiens terrestrial burrowing nocturnal frog of grassy terrain and scrub forests having very hard upper surface of head; of the United States southwest
  • lowland burrowing treefrog terrestrial burrowing nocturnal frog of grassy terrain and scrub forests having very hard upper surface of head; of the United States southwest
  • sarcoscypha coccinea a discomycete that is a harbinger of spring; the fruiting body is thin and tough and saucer-shaped (about the size of quarter to a half dollar) with a deep bright red upper surface and a whitish exterior
  • flat-topped having a flat or flattened upper surface
  • universal veil membrane initially completely investing the young sporophore of various mushrooms that is ruptured by growth; represented in the mature mushroom by a volva around lower part of stem and scales on upper surface of the cap
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