Definitions of concavity
  1. noun
    the property possessed by a concave shape
    synonyms: concaveness
    see moresee less
    the property of having a sunken area
    type of:
    configuration, conformation, contour, form, shape
    any spatial attributes (especially as defined by outline)
  2. noun
    a shape that curves or bends inward
    synonyms: concave shape, incurvation, incurvature
    see moresee less
    show 23 types...
    hide 23 types...
    a concave shape whose distinguishing characteristic is that the concavity faces downward
    fossa, pit
    a concavity in a surface (especially an anatomical depression)
    corner, niche, recess, recession
    a small concavity
    bowl, trough
    a concave shape with an open top
    pocket, scoop
    a hollow concave shape made by removing something
    depression, impression, imprint
    a concavity in a surface produced by pressing
    any cup-shaped concavity
    indentation, indenture
    a concave cut into a surface or edge (as in a coastline)
    a V-shaped or U-shaped indentation carved or scratched into a surface
    glenoid cavity, glenoid fossa
    the concavity in the head of the scapula that receives the head of the humerus to form the shoulder joint
    glenoid fossa, mandibular fossa
    a deep concavity in the temporal bone at the root of the zygomatic arch that receives the condyle of the mandible
    epigastric fossa, pit of the stomach
    a slight depression in the midline just below the sternum (where a blow can affect the solar plexus)
    a small natural hollow in the cheek or chin
    pharyngeal recess
    a small recess in the wall of the pharynx
    channel, groove
    a long narrow furrow cut either by a natural process (such as erosion) or by a tool (as e.g. a groove in a phonograph record)
    any slight depression in a surface
    a depression in an otherwise level surface
    dent, incision, prick, scratch, slit
    a depression scratched or carved into a surface
    a V-shaped indentation
    droop, sag
    a shape that sags
    crease, crinkle, furrow, line, seam, wrinkle
    a slight depression in the smoothness of a surface
    chap, crack, cranny, crevice, fissure
    a long narrow depression in a surface
    a split or indentation in something (as the palate or chin)
    type of:
    a three-dimensional shape
Word Family