Horizontal Definition

hôrĭ-zŏntl, hŏr-
horizontals
adjective
Of or near the horizon.
Horizontal parallax.
Webster's New World
Parallel to the plane of the horizon; not vertical.
Webster's New World
At right angles to a vertical line.
American Heritage Medicine
Placed, operating, or acting chiefly in a direction parallel to the horizon.
Webster's New World
Flat and even; level.
Webster's New World
Antonyms:
noun
horizontals
A horizontal line, plane, etc.
Webster's New World
Position parallel to the horizon.
Webster's New World

Other Word Forms of Horizontal

Noun

Singular:
horizontal
Plural:
horizontals

Origin of Horizontal

  • French from Latin horizōn horizont- horizon horizon

    From American Heritage Dictionary of the English Language, 5th Edition

  • From French horizontal

    From Wiktionary

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