the symbol (–) used to indicate a negative quantity or a subtraction; minus sign
- Negative space
noun empty space, space around an object or form; also called white space
- Negative-strand virus
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.