How do you spell perpendicular?

The correct spelling is P-E-R-P-E-N-D-I-C-U-L-A-R. Standing at right angles to the plane of the horizon : exactly upright

What does perpendicular mean?

Standing at right angles to the plane of the horizon : exactly upright

perpendicular

Of or relating to a medieval English Gothic style of architecture in which vertical lines predominate

Source: Merriam-Webster Dictionary API

Middle English perpendiculer, from Middle French, from Latin perpendicularis, from perpendiculum plumb line, from per- + pendēre to hang

perpendicularity

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