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English definition of “horizontal”

horizontal

adjective uk   /ˌhɒr.ɪˈzɒn.təl/ us    /ˌhɔːr.ɪˈzɑːn.t̬əl/
C1 parallel to the ground or to the bottom or top edge of something: Draw a horizontal line across the bottom of the page. Keep the patient horizontal with the feet slightly raised. Describing angles, lines and orientations
horizontally
adverb uk   /-i/ us  
Describing angles, lines and orientations

horizontal

noun [C usually singular] uk   /ˌhɒr.ɪˈzɒn.təl/ us    /ˌhɔːr.ɪˈzɑːn.t̬əl/
a horizontal line, surface, or position: Rotate it slowly from the horizontal into a vertical position.Describing angles, lines and orientations
(Definition of horizontal from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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