(medicine) Of a blood type within the ABO and Rhblood grouping system. Blood type A negative has a phenotype of "A" and a Rhesus system classification of negative.
A-negative Sentence Examples
Both Quinn and Howie protested as one with a negative shout.
I wanted to shout something like Dracula is out of his casket and has a thirst for my wife's A-negative blood, but I bit my tongue and begged that this was truly an emergency.
He was peppered with questions from the rescuers, many of whom he recognized, but he held responses to a negative shake of his head and Billy Langstrom's name.
Not exactly the reaction she had expected, but certainly not a negative one.
"Tetrahedral co-ordinates" are a system of quadriplanar co-ordinates, the fundamental planes being the faces of a tetrahedron, and the co-ordinates the perpendicular distances of the point from the faces, a positive sign being given if the point be between the face and the opposite vertex, and a negative sign if not.