Robot (noun)

1. A machine capable of carrying out a complex series of actions automatically, especially by being programmed by a computer.
2. A machine in human form, used to perform tasks such as exploring dangerous environments, inspecting objects and handling hazardous materials.

Origin:

1921: from czech robota 'forced labor, drudgery', from rab 'slave' + -ota '-hood'.

Examples:

1. The robots on the assembly line were programmed to perform specific tasks.
2. The robots in the factory worked tirelessly 24/7, producing parts and products.
3. The robot in the spaceship was designed to explore the unknown reaches of space.
4. The robot on the battlefield was used to gather information and avoid putting human lives in danger.
5. The robot was sent into the nuclear reactor to perform maintenance tasks.