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perpendicular

per·pen·di·cular

UK/ˌpɜː.pənˈdɪk.jə.lə(ɹ)/ US/ˌpɝ.pənˈdɪk.ju.lɚ/ rare obsolete slang
adjective (3) noun (4)

adjective

1.

intersecting at or forming right angles

  • “the axes are perpendicular to each other”
Antonyms
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2.

at right angles to the plane of the horizon or a base line

  • “a vertical camera angle”
  • “the monument consists of two vertical pillars supporting a horizontal slab”
  • “measure the perpendicular height”
Synonyms
Antonyms
Similar
3.

extremely steep

  • “the great perpendicular face of the cliff”
Similar

noun

1.

a straight line at right angles to another line

2.
3.

a cord from which a metal weight is suspended pointing directly to the earth''s center of gravity; used to determine the vertical from a given point

Synonyms
4.

Origin

Derived from Middle French perpendiculaire, from Old French perpendiculer, from Latin perpendiculum (“plumb line”).

Phrases

  • perpendicular axis theorem
  • perpendicular bisector
  • perpendicular distance
  • perpendicular magnetic recording
  • perpendicular pronoun
  • perpendicular recording
  • perpendicular universe

Related words

Word family

Broader terms

Narrower terms

See also

Part of

WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.