"rare" is probably the closest i guess? iirc that's mostly for gasses and to my knowledge isn't used by us laypeople

  • Spinoza [any]
    hexagon
    ·
    edit-2
    4 years ago

    i mean "less dense" is an easily identifiable concept, no? i just want one word that means those two. sparse might be good enough

    • emizeko [they/them]
      ·
      edit-2
      4 years ago

      there's "rarefied" but it's a bit niche. first def in Webster at least is "being less dense"

      • Spinoza [any]
        hexagon
        ·
        4 years ago

        ooh right, sam roberts uses it in that way in a song. i think i like that one best