Exam: TOEFL

Definition: Causing doubt or uncertainty; not sure if something is true or good.

Example: She had a dubious look on her face when she heard the news.

Definition: In a way that shows doubt or uncertainty about something.

Example: She looked at the proposal dubiously, unsure if it would work.

Definition: The condition of being uncertain or having doubts about something.

Example: Her dubiousness about the plan made everyone reconsider their approach.

Definition: Something that can be doubted or questioned; not certain or reliable.

Example: The results of the experiment were dubitable, leading to further investigation.

Definition: A man-made radioactive element with the atomic number 105, known for its short-lived isotopes.

Example: Scientists are studying the properties of dubnium to understand its behavior in nuclear reactions.

Definition: Relating to or connected with a duct, which is a tube or channel in the body or in a mechanical system.

Example: The doctor explained that the problem was due to a blockage in the ductal system.

Definition: Able to be easily shaped or stretched without breaking, often used to describe certain metals that can be drawn into wires.

Example: Gold is a ductile metal that can be stretched into very thin wires.

Definition: The ability of a material to be stretched or shaped without breaking, especially when pulled into a wire.

Example: Copper is known for its high ductility, allowing it to be easily drawn into thin wires.

Definition: Expected or scheduled to happen or arrive at a certain time; also refers to something that is appropriate or deserved.

Example: The train is due to arrive at 3 PM.

Definition: In a straight line or direction; exactly or directly.

Example: The treasure is buried due north of the old oak tree.

Definition: A payment or obligation that someone is required to give or pay, often related to membership or something that is owed to someone.

Example: He paid his dues to remain a member of the club.

Definition: To take part in a formal fight between two people, often to settle a dispute or challenge.

Example: The two knights decided to duel to prove who was the better warrior.

Definition: A formal fight between two people, often with weapons, that is arranged in advance to settle a disagreement or prove honor.

Example: The two knights agreed to a duel to settle their dispute over the land.

Definition: To fight or compete against someone in a formal way, often with weapons, to settle a disagreement or challenge.

Example: The two knights decided to duel to prove who was the better fighter.