Positive-ray
noun, Physics.
1.
a stream of positive ions traveling from a metallic anode to the cathode in a gas-discharge tube.
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noun the offering of desirable effects or consequences for a behavior with the intention of increasing the chance of that behavior being repeated in the future
- Positives
[poz-i-tiv] /ˈpɒz ɪ tɪv/ adjective 1. explicitly stated, stipulated, or expressed: a positive acceptance of the agreement. 2. admitting of no question: positive proof. 3. stated; express; emphatic: a positive denial. 4. confident in opinion or assertion; fully assured: He is positive that he will win the contest. 5. overconfident or dogmatic: The less he […]
- Positive stain
positive stain n. Direct binding of a dye with a tissue component to produce contrast.
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positive scotoma n. A scotoma that is perceived as a black spot within the field of vision.
- Positive vetting
noun 1. the checking of a person’s background, political affiliation, etc, to assess his suitability for a position that may involve national security