n. & v.
n. 1 Math. & Physics a quantity having direction as well as magnitude, esp. as determining the position of one point in space relative to another (radius vector). 2 a carrier of disease. 3 a course to be taken by an aircraft.
v.tr. direct (an aircraft in flight) to a desired point. vectorial adj. vectorize v.tr. (also -ise) (in sense 1 of n.). vectorization n.
[ L, = carrier, f. vehere vect- convey ]