Stress is tensor,then,what is meant by tensor? (Rupasri asked)

Answer:

Tensor is a mathematical object analogous to but more general than a vector, represented by an array of components that are functions of the coordinates of a space.

Tensors are used to represent correspondences between sets of geometrical vectors.

Refer to the following links for a more detailed analysis.

Read more at http://repository.tamu.edu/bitstream/handle/1969.1/2502/IntroductionToVectorsAndTensorsVol1.pdf?sequence=12