Exam: GRE (Verbal)

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: An optical instrument that uses lenses to bend light and form images, often used in telescopes.

Example: The astronomer used a refractor to observe distant stars and planets.

Definition: In a way that shows resistance or stubbornness, often refusing to change or comply.

Example: The child responded refractorily to his teacher's instructions, refusing to follow the rules.

Definition: The quality of being resistant to heat or difficult to manage; often used to describe materials that do not easily melt or change under high temperatures.

Example: The refractoriness of the material made it ideal for use in high-temperature environments.

Definition: This word describes something that is hard to melt or shape, or someone who is stubborn and does not obey rules or authority.

Example: The refractory child refused to listen to his teacher's instructions.

Definition: A material that can withstand high temperatures without melting or breaking down, often used in furnaces and kilns.

Example: The furnace was lined with refractory to handle the extreme heat.

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: The ability of a substance to bend or change the direction of light when it passes through it.

Example: The refrangibility of the glass allowed it to create beautiful patterns of light.

Definition: Able to be bent or changed in direction, especially when light passes through it.

Example: The refrangible light rays created beautiful colors in the prism.