Noun expanse has 3 senses
  1. sweep, expanse - a wide scope; "the sweep of the plains"
    --1 is a kind of scope, range, reach, orbit, compass, ambit
  2. area, expanse, surface area - the extent of a 2-dimensional surface enclosed within a boundary; "the area of a rectangle"; "it was about 500 square feet in area"
    --2 is a kind of extent
    --2 has particulars:
     acreage, land area; footprint; erasure; space, blank space, place; space; balk, baulk
  3. expanse - a wide and open space or area as of surface or land or sky
    --3 is a kind of
    entity
    --3 has particulars: sheet; stretch
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