perpendicularness

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• Cross product — This article is about the cross product of two vectors in three dimensional Euclidean space. For other uses, see Cross product (disambiguation). In mathematics, the cross product, vector product, or Gibbs vector product is a binary operation on… …   Wikipedia

• perpendicular — perpendicularity, perpendicularness, n. perpendicularly, adv. /perr peuhn dik yeuh leuhr/, adj. 1. vertical; straight up and down; upright. 2. Geom. meeting a given line or surface at right angles. 3. maintaining a standing or upright position;… …   Universalium