rationing (n.)

• apportionment
• arrest
• check
• constraint
• control
• cooling
• curb
• curtailment
• cutting
• deceleration
• division
• divvy
• hindrance
• inhibition
• injunction
• interdict
• monopoly
• parceling
• partition
• partitioning
• portioning
• prohibition
• protection
• protectionism
• rein
• restraint
• retardation
• retrenchment
• self-control
• sharing
• slicing
• splitting