vector direction
41direction angle — Math. an angle made by a given vector and a coordinate axis. Cf. direction cosine. [1930 35] * * * …
42direction cosine — Math. the cosine of the angle made by a given vector and a coordinate axis. Cf. direction angle. [1890 95] * * * …
43direction number — Math. the component of a vector along a given line; any number proportional to the direction cosines of a given line. * * * …
44vector analysis — analysis of a directed quantity to determine both its magnitude and its direction, e.g., analysis of the scalar electrocardiogram to determine the magnitude and direction of the electromotive force for one complete cycle of the heart …
45vector — vec|tor [ vektər ] noun count 1. ) TECHNICAL a quantity such as VELOCITY (=speed at which something travels) that can change and is measured by its size and its direction 2. ) MEDICAL a very small animal or insect that carries diseases between… …
46vector — vec·tor || vektÉ™(r) n. (Mathematics, Physics) quantity with magnitude and direction (represented by an arrow indicating its direction); (Biology) insect which carries diseases, means of disease transfer; route of a plane …
47vector — /ˈvɛktə / (say vektuh) noun 1. Mathematics a quantity which possesses both magnitude and direction. Two such quantities acting on a point may be represented by the two sides of a parallelogram, so that their resultant is represented in magnitude… …
48direction angle — noun : an angle made by a given line with an axis of reference; specifically : one of the three angles made by a straight line with the three axes of a rectangular coordinate system * * * Math. an angle made by a given vector and a coordinate… …
49direction cosine — noun : one of the cosines of the three angles between a directed line in space and the positive directions of the axes of a rectangular Cartesian coordinate system usually used in plural * * * Math. the cosine of the angle made by a given vector… …
50direction number — Math. the component of a vector along a given line; any number proportional to the direction cosines of a given line …
