Exam: TOEFL

Definition: The state of being confident and certain about something.

Example: Her assuredness in her abilities helped her succeed in the competition.

Definition: A person or company that provides insurance or guarantees against loss or damage.

Example: The assuror evaluated the risks before issuing the policy.

Definition: A highly unstable and radioactive element that is part of the halogen group, similar to iodine, and has a very short half-life.

Example: Astatine is one of the rarest elements on Earth and is used in some types of cancer treatment.

Definition: A symbol that looks like a star and is used in writing to show that something has been left out or to refer to a note at the bottom of the page.

Example: Please refer to the asterisk at the bottom of the page for more information.

Definition: To mark something with a symbol that looks like a star, often used in writing to indicate a footnote or special note.

Example: Please asterisk the important points in your report.

Definition: Relating to or resembling a star, often used to describe shapes or forms that have a star-like appearance.

Example: The decoration on the cake was adorned with asteroid patterns that looked like stars.

Definition: A small rocky body in space that orbits the sun, mainly found between the orbits of Mars and Jupiter.

Example: Scientists discovered a new asteroid that could potentially come close to Earth.

Definition: Relating to a small rocky body that orbits the sun, similar to a planet but much smaller.

Example: The asteriodal belt is located between Mars and Jupiter.

Definition: A condition characterized by a loss of physical strength or energy, often resulting in weakness or fatigue.

Example: After the illness, she experienced severe asthenia that made it difficult to perform daily tasks.

Definition: Describing a body type that is thin and lacks muscle, or relating to a state of weakness or lack of energy.

Example: The athlete had an asthenic build, which made him appear more fragile than his competitors.

Definition: A person who has a thin and weak body structure, often characterized by a lack of muscle and fat.

Example: The asthenic individual struggled to keep up with the more athletic members of the team.

Definition: A layer of the Earth's structure located below the lithosphere, where the material can flow and deform under pressure.

Example: The tectonic plates move on the semi-fluid asthenosphere beneath them.

Definition: Relating to the soft layer of the Earth's upper mantle that allows tectonic plates to move.

Example: The asthenospheric layer plays a crucial role in plate tectonics.