(cytology) A vector constructed, usually with selectable markers and tags, so that it can propagate in two different host species.

(networking) A class of routing protocol based on sending global state between neighbouring nodes.

plural of four-vector

(mathematics) The vector whose initial and final points are those of a series of other vectors laid end to end.

plural of vector field

plural of Burgers vector

(mathematics) A vector in four-dimensional vector space, especially one having three spatial dimensions and one temporal dimension.

(electromagnetism) The vector obtained in the direction of a right-hand screw from the cross product (vector product) of the electric field vector rotated into the magnetic field vector of an electromagnetic wave. Note: The Poynting vector, with transmission media parameters and constants, gives the irradiance and direction of propagation of the electromagnetic wave. Mathematically: ⃑P=⃑E⨯⃑H.

(mathematics) a vector whose value in every dimension is zero. i.e. ⃑0=<0,0,…,0> / (linear algebra) a vector 0 in a vector space V such that for any v∈V, 0+v=v

(mathematics) The branch of mathematics that deals with vectors and operations on them.