a stream of positive ions traveling from a metallic anode to the cathode in a gas-discharge tube.
- Positive reinforcement
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
[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.
- Positive scotoma
positive scotoma n. A scotoma that is perceived as a black spot within the field of vision.