Negative

(neg’-at-iv) [negare, to deny]. Denying; contradicting; opposing. Of quantities, le than nothing; in physics, opposed to a quality termed positive. N. Accommodation, the absence of active accommodation;the state of the eye at rest, or when looking at an object at an infinite distance. N. Blood-pre ure, pre ure which is le than that of the atmosphere. It exists in the large veins near the heart, owing to the aspirating action of the thorax. N. Chemotaxis, the absence of the power of attracting leukocytes and wandering cells, or their actual repulsion. N. Electrode, N. Pole, the electrode or pole of an electric battery connected with the positive plate and conducting N. electricity. N. Variation of the Muscle-cur ent,diminution a in the strength of the muscle-current during tetanic contraction. 432