Merriam-Webster Online Dictionary


2 entries found for perpendicular.
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Main Entry: 1per·pen·dic·u·lar
Pronunciation: "p&r-p&n-'di-ky&-l&r
Function: adjective
Etymology: Middle English perpendiculer, from Middle French, from Latin perpendicularis, from perpendiculum plumb line, from per- + pendEre to hang -- more at PENDANT
Date: 14th century
1 a : standing at right angles to the plane of the horizon : exactly upright b : being at right angles to a given line or plane
2 : extremely steep : PRECIPITOUS
3 often capitalized : of or relating to a medieval English Gothic style of architecture in which vertical lines predominate
4 : relating to, uniting, or consisting of individuals of dissimilar type or on different levels
synonym see VERTICAL
- per·pen·dic·u·lar·i·ty /-"di-ky&-'la-r&-tE/ noun
- per·pen·dic·u·lar·ly /-'di-ky&-l&r-lE/ adverb