Exam: GRE (Verbal)

Definition: The quality of having a positive attitude or outlook; the state of being optimistic or constructive.

Example: Her positiveness helped the team stay motivated during tough times.

Definition: A philosophical theory that asserts that knowledge comes only from scientific observation and empirical evidence, rejecting metaphysics and theology.

Example: Positivism emphasizes the importance of observable data in the pursuit of knowledge.

Definition: A person who believes in the philosophy that knowledge should be based on observable phenomena and empirical evidence, rather than on theories or beliefs.

Example: As a positivist, she emphasized the importance of scientific methods in understanding the world.

Definition: Relating to a philosophical theory that asserts that only scientific knowledge derived from empirical evidence is of real value, and that metaphysical or religious beliefs are to be disregarded.

Example: The positivistic approach to research emphasizes observation and experimentation over speculation.

Definition: A tiny particle that is similar to an electron but has a positive charge instead of a negative charge.

Example: In particle physics, a positron is often produced in certain types of radioactive decay.

Definition: A temporary combination of an electron and its antimatter counterpart, a positron, that behaves similarly to a hydrogen atom.

Example: Scientists study positronium to understand the interactions between matter and antimatter.

Definition: The study of how much medicine or drugs should be given to patients.

Example: Doctors use posology to determine the correct dosage for their patients.

Definition: To have or own something, such as property, knowledge, or a quality.

Example: He does not possess the skills needed for the job.

Definition: Having control over something or being influenced by a strong feeling or spirit.

Example: She felt possessed by a sudden urge to travel the world.

Definition: The state of having or owning something, or something that is owned.

Example: The museum displayed a rare possession from ancient Egypt.