Definition: A dental expert who focuses on the treatment and prevention of gum diseases and other conditions affecting the supporting structures of the teeth.

Example: After experiencing gum pain, I decided to visit a periodontist for a check-up.

Definition: Relating to walking or traveling from one place to another, often used to describe a lifestyle or method that involves movement.

Example: The peripatetic lifestyle of the traveler allowed her to experience many different cultures.

Definition: A person who travels from one place to another, often for work or study, or someone who follows the teachings of Aristotle.

Example: As a peripatetic, she enjoyed exploring new cities while working remotely.

Definition: Having a lively and cheerful attitude; energetic and full of life.

Example: She always has a perky smile that brightens everyone's day.

Definition: To become lively or cheerful; to stand or sit up in a lively way.

Example: After a good night's sleep, she perked up and was ready to start the day.

Definition: A benefit or advantage that comes with a job or situation, often in addition to regular pay.

Example: One of the perks of working at that company is the free gym membership.

Definition: To make something stand up or become more alert, often used to describe animals or their body parts reacting to something.

Example: The dog perked its ears when it heard a strange sound.

Definition: A benefit or privilege that comes with a job or position, often in addition to regular pay.

Example: Many employees enjoy health insurance as a perquisite of their job.

Definition: A person or organism that continues to exist or endure despite difficult conditions.

Example: The persister was able to survive the harsh winter conditions that affected other species.

Definition: A person or thing that tries to convince someone to do or believe something.

Example: The salesman was a skilled persuader, able to convince customers to buy the product.

Definition: A scientist who studies rocks and the conditions under which they form.

Example: The petrologist examined the samples to understand their mineral composition.

Definition: A person who is trained to prepare and give out medicines and drugs to patients.

Example: The pharmacist helped me find the right medication for my cold.

Definition: A person who is trained to take blood from patients for medical tests or donations.

Example: The phlebotomist carefully collected the blood sample from the patient.

Definition: A person or business that develops and prints photographs from film.

Example: The photofinisher delivered the developed photos to the customer.