1. Any waste product from any process or step in the utilisation of material capable of undergoing nuclear fission. 2. Waste radioactive substances and waste material contaminated by radioactive substances or which, having regard to its use, may have become so contaminated: Radiation (Control of Radioactive Substances) Regulations (Cap 303A) r 2. See also Radioactive; Radioactive substance; Radioactivity.
1. 在使用可經受原子核分裂物質的任何過程或步驟中所引起的荒廢物品。 2. 指放射性物質廢料及被放射性物質污染的廢料，或在顧及其用途後可能已被如此污染的廢料：《輻射（管制放射性物質）規例》(第303A章) 第2規例。另見 Radioactive; Radioactive substance; Radioactivity。

• Reasonable rent
• Reasonable skill and diligence
• Reasonable suspicion
• Reasonable time
• Reasonable wear and tear
• Reasonably foreseeable
• Reasons for judgment
• Rebate
• Rebut
• Rebuttable presumption
• Recalling a witness
• Receipt
• Receipt of premium
• Receivables
• Receiver
• Receiver and manager
• Receivership
• Receiver's indemnity
• Recent complaint
• Recent invention
• Recent possession
• Recidivism
• Recidivist
• Reciprocating jurisdiction
• Reciprocity