nuclear

Definitions

• Pertaining to the nucleus of an atom.
• Involving energy released by nuclear reactions (fission, fusion, radioactive decay).
• Relating to a weapon that derives its force from rapid release of energy through nuclear reactions.
• (by extension) Involving an extreme course of action.
• (biology) Pertaining to the nucleus of a cell.
• (archaic) Pertaining to a centre around which something is developed or organised; central, pivotal.