Wiktionary
                    scalar product
                    
                        
                
                                                                    n. (context linear algebra English) The product of two vectors computed as the sum of the corresponding elements of the vectors, or, equivalently, as the product of the magnitudes of the vectors and the cosine of the angle between their directions.
WordNet
                    scalar product
                    
                        
                
                                                                    n. a real number (a scalar) that is the product of two vectors [syn: inner product, dot product]