Exam: IELTS

Definition: A measurement of how much a circuit resists the flow of electric current, especially in alternating current systems. It combines both resistance and reactance, and is often expressed in a complex form.

Example: The impedance of the circuit increased when the frequency of the alternating current was raised.

Definition: To slow down or block the progress of something or someone.

Example: Heavy traffic can impede the flow of emergency vehicles.

Definition: A person or thing that slows down or prevents progress or movement.

Example: The construction work was an impeder of traffic flow in the city.

Definition: A hindrance or obstacle that makes it difficult to do something or achieve a goal.

Example: The lack of funding was a major impediment to the project's success.

Definition: To drive or push someone to take action, often due to strong feelings or pressure.

Example: The urgent situation impelled her to speak out against the injustice.

Definition: Something that is about to happen or is very close in time.

Example: The storm is imminent, so we should take shelter soon.

Definition: Something that is about to happen or is approaching.

Example: The storm is impending, so we should prepare for heavy rain.

Definition: To be about to happen or occur soon.

Example: The storm is impending, so we should take cover.

Definition: Something that cannot be passed through, understood, or affected; it is difficult to enter or comprehend.

Example: The scientist struggled to explain the impenetrable concepts to her students.

Definition: In a way that cannot be passed through or understood; impossible to penetrate or comprehend.

Example: The fog hung impenetrably over the valley, making it hard to see anything.

Definition: The state of not feeling sorry or regretful for one's wrong actions.

Example: His impenitence after the incident shocked everyone around him.