Exam: TOEFL

Definition: A chemical process where a substance is oxidized to form a peroxide, often resulting in significant changes in the chemical structure.

Example: The peroxidation of lipids can lead to cell damage and inflammation.

Definition: A chemical compound that contains a higher proportion of oxygen than other compounds, often used for bleaching or disinfecting.

Example: She used a peroxide solution to lighten her hair color.

Definition: A chemical compound that contains two oxygen atoms bonded together, often used as a bleaching agent or disinfectant.

Example: The dentist used a peroxide solution to whiten my teeth.

Definition: To treat or bleach something using a chemical compound that contains oxygen, often used in hair treatments and disinfection.

Example: She decided to peroxide her hair to achieve a lighter color.

Definition: Relating to a type of organelle in cells that helps break down fatty acids and detoxify harmful substances.

Example: The peroxisomal enzymes play a crucial role in metabolizing lipids.

Definition: A small structure within a cell that contains enzymes responsible for breaking down harmful substances, including hydrogen peroxide.

Example: Peroxisomes play a crucial role in detoxifying the cell by breaking down fatty acids and hydrogen peroxide.

Definition: A chemical group consisting of two oxygen atoms bonded together, often found in compounds called peroxides.

Example: The chemist explained the properties of the peroxy group in the new compound.

Definition: Describing a line or surface that is at a right angle (90 degrees) to another line or surface, often used in geometry and architecture.

Example: The two walls met at a perpendicular angle, creating a perfect corner.

Definition: In a position that is at an angle of 90 degrees to a given line or surface.

Example: The two lines intersect at a perpendicular angle.

Definition: A line or plane that is at an angle of 90 degrees to another line or plane.

Example: The architect ensured that the walls were perpendicular to the floor.

Definition: In a way that forms a right angle with something else; at an angle of 90 degrees.

Example: The two lines intersect perpendicularly, creating a perfect corner.

Definition: To carry out or commit an act, especially something harmful or illegal.

Example: The criminals planned to perpetrate a robbery at the bank.

Definition: The act of committing or carrying out something, especially a crime or harmful action.

Example: The perpetration of the fraud was discovered by the authorities.

Definition: A person who carries out or commits a crime or wrongdoing.

Example: The police are searching for the perpetrator of the robbery.