negative (redirected from -negative)

negative: see photographic processing.

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negative

1. Biology indicating movement or growth away from a particular stimulus

2. Med (of the results of a diagnostic test) indicating absence of the disease or condition for which the test was made

3. another word for minus

4. Physics

a. (of an electric charge) having the same polarity as the charge of an electron

b. (of a body, system, ion, etc.) having a negative electric charge; having an excess of electrons

c. (of a point in an electric circuit) having a lower electrical potential than some other point with an assigned zero potential

5. short for electronegative

6. of or relating to a photographic negative

7. Logic (of a categorial proposition) denying the satisfaction by the subject of the predicate, as in some men are irrational; no pigs have wings

8. Astrology of, relating to, or governed by the signs of the zodiac of the earth and water classifications, which are thought to be associated with a receptive passive nature

9. short for Rh negative

10. Photog a piece of photographic film or a plate, previously exposed and developed, showing an image that, in black-and-white photography, has a reversal of tones. In colour photography the image is in complementary colours to the subject so that blue sky appears yellow, green grass appears purple, etc.

11. Physics a negative object, such as a terminal or a plate in a voltaic cell

12. a quantity less than zero or a quantity to be subtracted

13. Logic a negative proposition