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Brain vs. Brains — What's the Difference?

Difference Between Brain and Brains

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Definitions

Brain

A brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. It is located in the head, usually close to the sensory organs for senses such as vision.

Brains

The portion of the vertebrate central nervous system that is enclosed within the cranium, continuous with the spinal cord, and composed of gray matter and white matter. It is the primary center for the regulation and control of bodily activities, receiving and interpreting sensory impulses, and transmitting information to the muscles and body organs. It is also the seat of consciousness, thought, memory, and emotion.

Brain

The portion of the vertebrate central nervous system that is enclosed within the cranium, continuous with the spinal cord, and composed of gray matter and white matter. It is the primary center for the regulation and control of bodily activities, receiving and interpreting sensory impulses, and transmitting information to the muscles and body organs. It is also the seat of consciousness, thought, memory, and emotion.

Brains

A functionally similar portion of the invertebrate nervous system.

Brain

A functionally similar portion of the invertebrate nervous system.
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Brains

The mind
The plan took shape in her brain.

Brain

The mind
The plan took shape in her brain.

Brains

Intellectual ability; intellect
An actor not known for his quick brain.

Brain

Intellectual ability; intellect
An actor not known for his quick brain.

Brains

Often brains Exceptional intellectual ability; intelligence
Has brains and good looks.
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Brain

Often brains Exceptional intellectual ability; intelligence
Has brains and good looks.

Brains

(Informal) A highly intelligent person
We knew the new kid was a brain as soon as she started talking.

Brain

(Informal) A highly intelligent person
We knew the new kid was a brain as soon as she started talking.

Brains

Often brains The primary director or planner, as of an organization or movement.

Brain

Often brains The primary director or planner, as of an organization or movement.

Brains

The control center, as of a ship, aircraft, or spacecraft.

Brain

The control center, as of a ship, aircraft, or spacecraft.

Brains

To hit on the head or kill by hitting on the head.

Brain

To hit on the head or kill by hitting on the head.

Brains

Plural of brain

Brain

The control center of the central nervous system of an animal located in the skull which is responsible for perception, cognition, attention, memory, emotion, and action.

Brains

The substance of a brain, as a material or foodstuff.

Brain

A part of the brain, especially associated with particular mental functions, abilities, etc.

Brains

(informal) The figurative substance of a brain: mental ability, intelligence.
Sadly, I got my brains from my mom and my looks from the mailman.

Brain

(informal) An intelligent person.
She was a total brain.

Brains

The intelligent person or people in a group: the director, planner, administrator, etc.
Who's the brains behind this operation?

Brain

(plurale tantum) A person who provides the intelligence required for something.
He is the brains behind the scheme.

Brain

(in the plural) Intellect.
She has a lot of brains.

Brain

(in the singular) An intellectual or mental capacity.
Gerald always acts like he doesn't have a brain.

Brain

By analogy with a human brain, the part of a machine or computer that performs calculations.
The computer's brain is capable of millions of calculations a second.

Brain

Oral sex.

Brain

Mind.
I have too much on my brain''' today.

Brain

A loose compartment of a backpack that straps on over the top opening.

Brain

(transitive) To dash out the brains of; to kill by smashing the skull.

Brain

To strike (someone) on the head.

Brain

To destroy; to put an end to.

Brain

To conceive in the mind; to understand.

Brain

The whitish mass of soft matter (the center of the nervous system, and the seat of consciousness and volition) which is inclosed in the cartilaginous or bony cranium of vertebrate animals. It is simply the anterior termination of the spinal cord, and is developed from three embryonic vesicles, whose cavities are connected with the central canal of the cord; the cavities of the vesicles become the central cavities, or ventricles, and the walls thicken unequally and become the three segments, the fore-, mid-, and hind-brain.

Brain

The anterior or cephalic ganglion in insects and other invertebrates.

Brain

The organ or seat of intellect; hence, the understanding; as, use your brains.

Brain

The affections; fancy; imagination.

Brain

A very intelligent person.

Brain

The controlling electronic mechanism for a robot, guided missile, computer, or other device exhibiting some degree of self-regulation.

Brain

To dash out the brains of; to kill by beating out the brains.
There thou mayst brain him.
It was the swift celerity of the death . . . That brained my purpose.

Brain

To conceive; to understand.
'T is still a dream, or else such stuff as madmenTongue, and brain not.

Brain

That part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord

Brain

Mental ability;
He's got plenty of brains but no common sense

Brain

That which is responsible for one's thoughts and feelings; the seat of the faculty of reason;
His mind wandered
I couldn't get his words out of my head

Brain

Someone who has exceptional intellectual ability and originality;
Mozart was a child genius
He's smart but he's no Einstein

Brain

The brain of certain animals used as meat

Brain

Hit on the head

Brain

Kill by smashing someone's skull

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