perpendicular
US /ˌpɝː.pənˈdɪk.juː.lɚ/
UK /ˌpɝː.pənˈdɪk.juː.lɚ/
1.
vuông góc
at an angle of 90° to a horizontal line or surface:
:
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We scrambled up the almost perpendicular side of the mountain.
1.
vuông góc
a perpendicular line:
:
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Draw a perpendicular from the vertex of the triangle to its base.