perpendicularadjective
uk/ˌpɜː.pənˈdɪk.jə.lər/us/ˌpɝː.pənˈdɪk.juː.lɚ/formal at an angle of 90° to a horizontal line or surface:
We scrambled up the nearly perpendicular side of the mountain.
specialized mathematics at an angle of 90° to another line or surface:
The wheel rotates around an axis that is perpendicular to the plane.
Thesaurus: synonyms and related words
Geometry: describing angles, lines & orientations
- alternate angle
- angle of incidence
- antinode
- asymptote
- asymptotic
- axial
- erect
- horizontal
- oblique
- parallel
- plumb
- prominent
- reflection
- right angle
- secant
- slant
- supplementary angle
- tangent
- tangential
- transversal
See more results »
You can also find related words, phrases, and synonyms in the topics:
Up and upward
perpendicularly
adverb uk/ˌpɜː.pənˈdɪk.jə.lə.li/us/ˌpɝː.pənˈdɪk.juː.lɚ.li/formal or specialized
perpendicularnoun [ C ]
uk/ˌpɜː.pənˈdɪk.jə.lər/us/ˌpɝː.pənˈdɪk.juː.lɚ/specializeda perpendicular line:
Draw a perpendicular from the vertex of the triangle to its base.
the perpendicular
a perpendicular position or direction:
The wall was leaning at an angle of ten degrees to the perpendicular.
Thesaurus: synonyms and related words
Geometry: describing angles, lines & orientations
- alternate angle
- angle of incidence
- antinode
- asymptote
- asymptotic
- axial
- erect
- horizontal
- oblique
- parallel
- plumb
- prominent
- reflection
- right angle
- secant
- slant
- supplementary angle
- tangent
- tangential
- transversal
See more results »