Exam: Cambridge English: C1 Advanced (CAE)

Definition: A solid material that can hold an electric charge and maintains its electric polarization over time.

Example: The microphone used in the recording studio was equipped with an electret to enhance sound quality.

Definition: Relating to or operated by electricity; can also describe something that is exciting or thrilling.

Example: The electric car is becoming more popular as people seek eco-friendly transportation.

Definition: A machine or vehicle that runs on electricity instead of fuel, such as a lawn mower or car.

Example: The new electric car can travel for over 300 miles on a single charge.

Definition: Related to the technology that combines electrical and acoustic processes, often used in sound systems and audio equipment.

Example: The electroacoustic system improved the quality of sound in the concert hall.

Definition: A method of analyzing substances by using electrical currents and reactions in a solution.

Example: The scientist used electroanalysis to determine the composition of the unknown sample.

Definition: Relating to a chemical reaction that is caused by electricity or produces electricity.

Example: The electrochemical process in the battery allows it to store and release energy.

Definition: A person who studies or works with the chemical processes that involve electricity.

Example: The electrochemist conducted experiments to understand how electricity affects chemical reactions.

Definition: A substance that is deposited through an electrochemical process, typically onto a surface.

Example: The technician observed the electrodeposit forming on the metal surface during the experiment.

Definition: To place a substance onto an electrode using the process of electrolysis, where an electric current causes the substance to move and settle on the electrode's surface.

Example: The scientist used a special solution to electrodeposit metal onto the surface of the circuit board.

Definition: Relating to the electrical characteristics of the skin.

Example: The electrodermal activity can indicate a person's emotional state.

Definition: A process that uses an electric current to help separate and remove certain substances from a liquid, often used to purify or treat solutions.

Example: The laboratory used electrodialysis to efficiently remove salts from the water sample.

Definition: Relating to the movement of electric charges and the forces they create.

Example: The electrodynamic properties of the material were studied in the laboratory.