English edit

Etymology edit

sub- +‎ horizontal.

Adjective edit

subhorizontal (comparative more subhorizontal, superlative most subhorizontal)

  1. Not quite horizontal in position or orientation.
  2. (geology) Of or relating to a subhorizon.
    • 1983, U.S. Geological Survey Bulletin - Page A-12[1]:
      Swaley cross-stratification is interpreted from thick units of subhorizontal bedding associated with marine fossils.