reinforcement
extra support that makes something stronger, more stable, or more certain
The process or result of adding support or strength to something, whether physical, emotional, or abstract, so that it becomes stronger, more stable, or more certain.
a reward or result that makes a behavior happen more often
In psychology and everyday use, the process of making a behavior more likely to happen again by giving a reward, removing something unpleasant, or otherwise creating a consequence that strengthens that behavior.
extra soldiers or people who come to help a group, usually in a difficult situation
Additional soldiers, police, or other people who are sent to support a group and make it stronger, especially in a difficult or dangerous situation. This is most often used in the plural form “reinforcements.”
material put inside something, like concrete or cloth, to make it stronger
A material, such as steel bars, mesh, or fibers, that is added to a structure (for example, concrete or fabric) in order to increase its strength, stiffness, or durability.
- Base: reinforcement
- Plural: reinforcement, reinforcements
call for reinforcements
1request extra troops or help
to ask for more soldiers or other helpers to come and support people in a difficult situation
- The officers had to call for reinforcements when the fight got out of control.
- Firefighters quickly called for reinforcements as the fire spread to nearby buildings.
- Realizing they were outnumbered, the squad called for reinforcements.
negative reinforcement
1relief that increases behavior
taking away something unpleasant, like loud noise or extra work, so that a behavior happens more often
- Turning off a loud alarm when a task is finished is an example of negative reinforcement.
- Negative reinforcement is often misunderstood as punishment, but it actually increases the behavior.
- The trainer used negative reinforcement by stopping the pressure on the horse when it moved in the right direction.
positive reinforcement
1reward that increases behavior
giving something pleasant, like praise or a small reward, so that a behavior happens more often
- The teacher uses positive reinforcement, such as stickers and praise, to keep the children motivated.
- In parenting, positive reinforcement can be more effective than punishment for building good habits.
- Employees respond well to positive reinforcement when their hard work is noticed and rewarded.
reinforcement learning
1machine learning by rewards and penalties
a kind of computer learning where a program tries actions and learns from rewards or penalties to do better over time
- Reinforcement learning has been used to train computers to play complex games like Go.
- In reinforcement learning, the system improves its strategy based on feedback from the environment.
- The robotics team is experimenting with reinforcement learning to teach the robot to walk more smoothly.
send in reinforcements
1dispatch extra troops or help
to send more soldiers or other helpers to support people who are already in a difficult situation
- The general decided to send in reinforcements before the next attack.
- When the protests grew, the city sent in reinforcements to support the local police.
- They had to send in reinforcements to help the rescue teams reach the village.
steel reinforcement
1steel used to strengthen concrete
steel bars or steel mesh put inside concrete to make it stronger
- The building code requires steel reinforcement in all load‑bearing concrete walls.
- Corrosion of the steel reinforcement can seriously damage a concrete structure.
- They inspected the steel reinforcement before pouring the concrete slab.
structural reinforcement
1extra strength added to structures
extra parts or materials added to a building, bridge, or other structure to make it stronger and safer
- The old bridge will undergo major structural reinforcement next year.
- After the earthquake, many houses needed structural reinforcement to meet the new safety standards.
- We included structural reinforcement around the elevator shaft in the design.