Exam: TOEFL

Definition: The act of lying or making false statements while under oath, especially in a court of law.

Example: He was charged with perjury after lying about his whereabouts during the trial.

Definition: Having a lively and cheerful attitude; full of energy and enthusiasm.

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

Definition: The state of lasting for a long time without change; the quality of being unchanging or enduring.

Example: The permanence of the mountains makes them a beautiful backdrop for the valley.

Definition: The state of lasting for a long time without change; the quality of being permanent.

Example: The permanency of the mountains makes them a popular destination for hikers.

Definition: Something that lasts for a long time and does not change or go away easily.

Example: They decided to make their stay in the city permanent after finding a good job.

Definition: A hairstyle that is created to last for a long time, often achieved through chemical treatments that curl, wave, or straighten the hair.

Example: She decided to get a permanent to change her look for the summer.

Definition: In a way that lasts for a very long time or forever, without change.

Example: The changes made to the building will permanently improve its appearance.

Definition: A type of salt that contains manganese and is known for its strong oxidizing properties.

Example: Potassium permanganate is often used as a disinfectant in water treatment.

Definition: The ability of a material to allow liquids or gases to pass through it.

Example: The permeability of the soil affects how quickly water drains away.

Definition: Able to allow liquids or gases to pass through it.

Example: The permeable material allowed water to flow through easily.

Definition: To spread or pass through something, often in a way that affects the entire area.

Example: The smell of fresh bread began to permeate the room.

Definition: To spread or flow through something, especially in a way that fills or affects it completely.

Example: The smell of fresh bread began to permeate the entire house.