Exam: GRE (Verbal)

Definition: A straight line from the center of a circle to its edge, or the distance from the center to the edge of a circular area.

Example: The radius of the circle is five centimeters.

Definition: A root or starting point, often used in mathematics to refer to the base of a number system.

Example: In mathematics, the radix of the binary system is 2.

Definition: A colorless and radioactive gas that is produced when radium decays. It is used in medical treatments and scientific research.

Example: Radon can accumulate in homes and is important to test for due to its health risks.

Definition: Describing someone or something that is unconventional and carefree, often in a way that is flashy or vulgar.

Example: His raffish charm made him popular at the party, even if his style was a bit over the top.

Definition: In a way that is unconventional or slightly disreputable, often in a charming or attractive manner.

Example: He dressed raffishly, with a mix of styles that caught everyone's attention.

Definition: The quality of being unconventional and slightly disreputable in appearance or behavior, often in a charming or attractive way.

Example: His raffishness made him popular at parties, as people were drawn to his carefree attitude.

Definition: To take part in a sudden attack or invasion, often to seize something or to cause disruption.

Example: The group decided to raid the enemy's camp at dawn.

Definition: A sudden and often surprise attack or entry into a place, usually to capture or seize something, often carried out by a group such as police or military.

Example: The police conducted a raid on the illegal gambling operation last night.

Definition: To attack a place suddenly and unexpectedly, often to steal or cause damage.

Example: The pirates decided to raid the coastal village at dawn.

Definition: A type of playful teasing or joking that is friendly and not meant to hurt anyone's feelings.

Example: The friends enjoyed a light-hearted raillery during their dinner, making each other laugh with silly jokes.

Definition: Having a stylish and confident appearance, often in a way that suggests a carefree or adventurous attitude.

Example: He walked into the room with a rakish charm that caught everyone's attention.

Definition: In a stylish or dashing way that suggests a carefree attitude, often associated with charm or a bit of recklessness.

Example: He wore his hat rakishly, tilting it to one side with a confident smile.