Exam: TOEFL

Definition: The bending of light or sound waves when they pass from one material to another, causing a change in direction.

Example: The refraction of light through a prism creates a rainbow effect.

Definition: Describing something that bends light or other waves when they pass through it.

Example: The refractive properties of the lens help to focus the light.

Definition: The process of measuring how much light bends when it passes through different materials, which helps to determine their refractive index.

Example: Refractometry is commonly used in laboratories to analyze the purity of substances.

Definition: To hold back or avoid doing something, especially something that one might want to do.

Example: She decided to refrain from commenting on the issue during the meeting.

Definition: A part of a song or poem that is repeated several times, usually at the end of each section.

Example: The chorus of the song includes a catchy refrain that everyone loves to sing along to.

Definition: To hold back or avoid doing something, especially something that one might want to do.

Example: She decided to refrain from commenting on the issue during the meeting.

Definition: To change the way something is viewed or understood by presenting it in a new way.

Example: She decided to reframe the problem to find a better solution.

Definition: The act of changing the way something is viewed or understood, often to create a different perspective or interpretation.

Example: Reframing a problem can help find new solutions that were not initially considered.

Definition: To change the way something is thought about or understood, often by presenting it in a different way.

Example: She is reframing the problem to find a better solution.

Definition: To become fresh or renewed; to regain energy or vitality.

Example: After a long day at work, I like to refresh by taking a walk in the park.

Definition: To make something new or fresh again, often by adding or restoring something.

Example: I need to refresh my drink before the party starts.

Definition: A person or thing that refreshes, often referring to a drink or a course that helps someone review or update their knowledge.

Example: After a long day at work, I enjoyed a cold refresher to cool down.

Definition: Something that is pleasantly fresh and new, often providing a sense of energy or stimulation.

Example: After a long day, a cool drink can be very refreshing.

Definition: A light snack or drink that helps to restore energy or refresh someone.

Example: After the long hike, we enjoyed some cold drinks and snacks as a refreshment.