subhorizonn.adj.

1829 R. Davenport Suppl. Amateur's Perspective ii. 20 As a term is wanting to express this low base, we shall venture to propose, ‘a broad sub-horizon’.

1830 Philos. Mag. 2nd Ser. 8 284 He [sc. Richard Davenport]..illustrates his theory..by a series of wood-cuts, representing sea and ships with the same outline and on the same scale, but as viewed from different heights, and therefore with different positions of the horizon-line; adopting a new term, and making a distinction between a high horizon and an enlarged sub-horizon or low base.

1886 Bull. Washburn Coll. Lab. Nat. Hist. 1 166 There is, indeed, great local variation in the character of this gypsum. But there are discoverable in it no such general sub-horizons as would neccessarily [sic] have been formed, had the gypsum been deposited in an ocean-derived salt lake and the conditions of its deposition been interrupted by occasional inroads of the ocean.

1928 Bull. Amer. Soil Surv. Assoc. 9 36 Other sub~horizons are designated as A₁, A₂, etc.

1963 Arctic Anthropol. 1 41/1 The Yangshao horizon in this area appears to consist of two subhorizons: Shensi and Kansu.

1973 P. A. Colinvaux Introd. Ecol. iii. 45 (caption) There may be several subhorizons in each of the main horizons and roots may penetrate them all.

2006 J. P. Zajcev in V. F. Stolba & L. Hannestad Chronologies Black Sea Area c.400–100 BC 263 In these sub-horizons more than 200 stamped handles of the Rhodian amphoras have been found.

1874 Harper's New Monthly Mag. Aug. 323/2 The sun is not quite up, but the sky is gray with his sub-horizon radiance.

1922 W. V. Kelley Open Fire 223 The inexperienced and bashful new day, which never saw this world before, as it climbs timidly up over the stile of the morning from the subhorizon underworld.

1936 E. Falk Togo & Rise Japanese Sea Power ix. 180 The fleet that was in motion at the instant of the sub-horizon visual contact to some extent had the choice of relative position.

1985 G. P. Können Polarized Light in Nature ii. 57 Some sub-horizon haloes have also been included..; generally, they are only visible from aeroplanes or from high mountains.

2007 T. Fitzharris National Audubon Soc. Guide Landscape Photogr. iv. 140/2 When you set up at right angles to the sub-horizon sun, landscape contours are modeled by sidelight emanating from the horizon's diffuse glow.