Symbols:Vector Algebra/Scalar Product

Scalar (Dot) Product

 * $\cdot$

$\mathbf x \cdot \mathbf y$ means the dot product of $\mathbf x$ and $\mathbf y$, a binary operation on two vectors which produces a scalar.

Also see
See Arithmetic and Algebra, Group Theory and Symbolic Logic: Deprecated Symbols for alternative definitions of this symbol.