Exam: TOEFL

Definition: In a manner that relates to or is based on a quadratic equation or function, often involving the square of a variable.

Example: The area of the square increases quadratically as the length of its sides increases.

Definition: Something that happens or lasts for four years.

Example: The quadrennial event attracts participants from all over the world.

Definition: Happening every four years.

Example: The Olympic Games are held quadrennially, attracting athletes from around the world.

Definition: A time span that lasts for four years.

Example: The project is planned to be completed over a quadrennium.

Definition: A large muscle group located at the front of the thigh, made up of four parts that help extend the knee.

Example: The athlete strengthened his quadriceps through targeted exercises.

Definition: A number that is equal to one thousand trillion, or 1 followed by 15 zeros.

Example: The population of the world is estimated to be around seven quadrillion.

Definition: Made up of or divided into four separate sections or parts.

Example: The quadripartite agreement was signed by all four countries involved.

Definition: A medical condition where a person cannot move their arms or legs due to paralysis affecting all four limbs.

Example: After the accident, he was diagnosed with quadriplegia and required assistance for daily activities.

Definition: A person who is unable to move their arms and legs due to paralysis.

Example: The quadriplegic athlete inspired many with his determination and spirit.

Definition: Relating to a chemical element or compound that has a valence of four, meaning it can form four bonds with other atoms.

Example: In chemistry, carbon is often described as quadrivalent because it can form four covalent bonds with other atoms.

Definition: A group of four elements or components, often used in genetics to refer to a set of four homologous chromosomes that pair together during cell division.

Example: The study focused on the behavior of a quadrivalent during meiosis.