horizontal [hawr-uh-zon-tl, hor-] EXAMPLES|WORD ORIGIN adjective at right angles to the vertical; parallel to level ground. flat or level: a horizontal position. being in a prone or supine position; recumbent: His bad back has kept him horizontal for a week. near, on, or parallel to the horizon. of or relating to the horizon. measured or contained in a plane parallel to the horizon: a horizontal distance. (of material on a printed page, pieces on a game board, etc.) extending across, from the left to the right of the viewer. of or relating to a position or individual of similar status: He received a horizontal promotion to a different department, retaining his old salary and title. Economics. of or relating to companies, affiliates, divisions, etc., that perform the same or similar functions or produce the same or similar products: Through horizontal mergers the company monopolized its field. SEE MORESEE LESS noun anything horizontal, as a plane, direction, or object.
Origin of horizontal 1545–55; Latin horizont- (stem of horizōn)+ Related formshor·i·zon·tal·i·ty [hawr-i-zon-tal-i-tee, hor-] /ˌhɔr ɪ zɒnˈtæl ɪ ti, ˌhɒr-/, hor·i·zon·tal·ness, nounhor·i·zon·tal·ly, adverbsub·hor·i·zon·tal, adjectivesub·hor·i·zon·tal·ly, adverbsub·hor·i·zon·tal·ness, nounun·hor·i·zon·tal, adjectiveun·hor·i·zon·tal·ly, adverb Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 Examples from the Web for horizontality Historical Examples of horizontality
But these horizontal deposits do not all retain their horizontality.
Henry Rowe Schoolcraft
Some of these strata of the secondary, epoch have only had their horizontality disturbed, while others are quite vertical.
Henry Rowe Schoolcraft
The departure from horizontality, technically known as the dip, varies from point to point (Fig. 4).
Rollin D. Salisbury
Hence in normal cases its horizontality is an index of the orientation of the head.
His hand supported his chin so that his long straggling beard protruded in a curious Egyptian horizontality.
William J. Locke
British Dictionary definitions for horizontality horizontal adjective parallel to the plane of the horizon; level; flatCompareof or relating to the horizon measured or contained in a plane parallel to that of the horizon applied uniformly or equally to all members of a group economics relating to identical stages of commercial activityhorizontal integration noun a horizontal plane, position, line, etc Derived Formshorizontality or horizontalness, nounhorizontally, adverb Collins English Dictionary – Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Word Origin and History for horizontality horizontal adj.
1550s, “relating to or near the horizon,” from French horizontal, from Latin horizontem (see). Meaning “flat” (i.e., “parallel to the horizon”) is from 1630s. Related: horizontally.
Online Etymology Dictionary, © 2010 Douglas Harper