What is "right stochastic matrix"

a. (context mathematics stochastic processes of a Markov chain English) a square matrix whose rows consist of nonnegative real numbers, with each row summing to $1$. Used to describe the transitions of a Markov chain; its element in the $i$'th row and $j$'th column describes the probability of moving from state $i$ to state $j$ in one time step.