nuclear RNA n.
- Nuclear spindle
nuclear spindle n. See mitotic spindle.
- Nuclear stain
nuclear stain n. A stain selective for cell nuclei, usually based on the binding of a basic dye to DNA or to nucleohistone.
- Nuclear Test-Ban Treaty
noun 1. an agreement signed by Britain, the Soviet Union, and the U.S. in 1963, committing nations to halt atmospheric tests of nuclear weapons: by the end of 1963, 96 additional nations had signed the treaty.
- Nuclear testing
The testing of nuclear weapons. (See Nuclear Test Ban Treaty.) The testing of atomic bombs by exploding them either above or below ground. (See Nuclear Test Ban Treaty.)