2 entries found for perpendicular.
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perpendicular[1,adjective] perpendicular[2,noun]

Main Entry: ¹per·pen·dic·u·lar
Pronunciation: pr-pn-dik-y-lr
Function: adjective
Etymology: Middle English perpendiculer "exactly upright," from early French perpendiculer (same meaning), from Latin perpendicularis (same meaning), derived from per- "thoroughly" and pendre "to hang" --related to DEPEND, PENDULUM
1 : exactly vertical or upright
2 : forming a right angle with each other or with a given line or plane
- per·pen·dic·u·lar·ly adverb

Pronunciation Symbols