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Pet (Noun)

A fit of petulance or sulkiness (especially at what is felt to be a slight).

Nouns denoting feelings and emotions.

She threw a pet when her parents wouldn't let her go to the party.
His pet lasted for hours after his team lost the big game.
After being rejected by her favorite college, she was in a pet for days.
When his friend wouldn't lend him the car, he had a pet and refused to talk to him.
The child had a famous pet when her parents wouldn't buy her ice cream.

A special loved one.

Nouns denoting people.

My grandmother was like a pet to my mom, she always took care of her and made sure she was comfortable.
Her husband was her pet, she adored him and would do anything to make him happy.
To me, my sister will always be my pet, I've looked out for her since we were kids.
The old man considered the little girl his pet, he had raised her as his own since her parents had passed away.
In my family, I've always been the pet, my parents have always been overly protective of me.

Using a computerized radiographic technique to examine the metabolic activity in various tissues (especially in the brain).

Nouns denoting acts or actions.

The research team used PET scans to monitor the metabolic activity in the tumor tissue before and after treatment.
PET imaging revealed significant abnormalities in glucose metabolism in the brain regions affected by Alzheimer's disease.
The PET scanner was adjusted to focus on the brain's dopamine receptors to study the patient's response to the new medication.
The doctor relied on PET scans to assess the metabolic activity of the tumor and adjust the treatment plan accordingly.
The PET imaging results showed increased glucose uptake in the areas of the brain associated with motor function, indicating potential for recovery.

A domesticated animal kept for companionship or amusement.

Nouns denoting animals.

The little girl was overjoyed to receive a puppy as a pet for her birthday.
The cat is a popular pet due to its low maintenance and affectionate nature.
After moving into a new apartment, she decided to get a pet fish to keep her company.
Many people consider their dogs to be more than just pets, but members of the family.
The boy begged his parents to let him get a pet snake, but they were hesitant at first.