Exam: Cambridge English: C1 Advanced (CAE)

Definition: Relating to or occurring through the mouth.

Example: The doctor recommended peroral medication for the patient.

Definition: To speak for a long time in a formal or grand way, often at the end of a speech.

Example: The politician began to perorate about the importance of unity and cooperation.

Definition: A type of mineral made of calcium, titanium, and oxygen, often found in certain types of rocks and can appear in various colors like yellow, brown, or grayish-black.

Example: Scientists are studying the properties of perovskite to improve solar cell technology.

Definition: A type of chemical compound that contains a high amount of oxygen, often used in various chemical reactions and processes.

Example: Hydrogen peroxide is a common example of a peroxid used for disinfection.

Definition: A type of enzyme found mainly in plants that helps speed up the process of oxidation using peroxides.

Example: Peroxidase plays a crucial role in breaking down hydrogen peroxide in plant cells.

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: Relating to or containing a peroxide, which is a type of chemical compound with an oxygen-oxygen bond.

Example: The peroxidic nature of the compound makes it useful in various chemical reactions.

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.