Definition: The action of giving or sharing information, knowledge, or something valuable to someone else.

Example: The teacher's impartment of knowledge helped the students succeed.

Definition: The condition of being unable to be passed through or crossed.

Example: The heavy snow caused the impassability of the roads, making travel impossible.

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: The state or quality of being impossible to pass through or enter.

Example: The impenetrability of the fortress made it a safe place during the war.

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: Describing something that does not have any openings or holes.

Example: The imperforate membrane prevented any fluid from passing through.

Definition: A type of stamp that has no holes or perforations along its edges, making it solid and uncut.

Example: The collector was excited to find an imperforate stamp from the early 20th century.

Definition: The quality of not allowing liquids or gases to pass through.

Example: The impermeability of the material makes it ideal for waterproof clothing.

Definition: Not allowing liquids or gases to pass through; resistant to penetration.

Example: The raincoat is made of impermeable material, keeping me dry in the storm.

Definition: Not able to be affected or harmed by something; not allowing anything to pass through.

Example: The raincoat is made of a material that is impervious to water.

Definition: The condition of not being affected or harmed by something; being resistant to penetration or influence.

Example: The imperviousness of the material made it ideal for outdoor use.