negative-strand virus n.
An RNA virus whose genome is complementary to mRNA and that carries RNA polymerases necessary for the synthesis of mRNA.
- Negative stain
negative stain n. A stain forming an opaque or colored background to an object that appears translucent or colorless.
noun, Psychology. 1. the obstruction of or interference with new learning because of previous learning, as when a U.S. tourist in England learns to drive on the left side of the road. negative transfer n. Interference of previous learning in the process of learning something new.
- Negative tax
noun 1. a payment by the State to a person with a low income, the magnitude of the payment increasing as the income decreases. It is regarded as a form of social welfare Also called negative income tax
[neg-uh-ti-viz-uh m] /ˈnɛg ə tɪˌvɪz əm/ noun 1. a or pessimistic attitude. 2. Psychology. a tendency to resist external commands, suggestions, or expectations, or internal stimuli, as hunger, by doing nothing or something contrary or unrelated to the stimulus. 3. any system of philosophy, as agnosticism or skepticism. /ˈnɛɡətɪvˌɪzəm/ noun 1. a tendency to be […]