brain

The organ inside your head that controls your body and allows you to think.

• Your brain needs oxygen.
• The accident damaged his brain.
• Scientists study how animal brains work.

Similar words: encephalon, harns

Common phrases: human brain, brain damage, brain cells

Your ability to think, understand, and solve problems, often expressed as brains.

• Use your brain before you answer.
• She has the brains to solve this problem.
• Success takes brains as well as hard work.

Similar words: intelligence, intellect

Opposites: stupidity

Common phrases: use your brain, brains and beauty, have brains

The part of a machine or computer that controls its actions and does calculations.

• This chip is the robot’s brain.
• The machine’s brain checks every movement.
• Engineers replaced the computer’s brain with a faster processor.

Similar words: processor, control unit

Common phrases: computer brain, electronic brain, robot brain