Exam: GRE (Verbal)

Definition: A three-dimensional shape that has eight flat surfaces, known as faces.

Example: The architect designed a building in the shape of an octahedron.

Definition: Related to a number system that uses eight as its base.

Example: In computer science, octal is often used to represent binary data in a more compact form.

Definition: A line of poetry that has eight units of rhythm or beats.

Example: The poet wrote an octameter to give the poem a unique rhythm.

Definition: Relating to or occurring every eight days.

Example: The octan schedule for the meetings was set to repeat every eight days.

Definition: A type of hydrocarbon found in petroleum, commonly used as a fuel in engines.

Example: Higher octane fuel can improve engine performance and efficiency.

Definition: A type of alcohol that has eight carbon atoms in its structure, commonly used in the production of fragrances and other chemical products.

Example: Octanol is often used in the manufacture of perfumes and flavorings.

Definition: A section or part that represents one-eighth of a circle or a three-dimensional space divided by three perpendicular planes.

Example: The navigator used an octant to measure the angle of the stars in the night sky.

Definition: A type of protein made up of eight linked amino acids.

Example: The scientist studied the effects of the octapeptide on cell growth.

Definition: A type of government or organization that is led or controlled by eight individuals or groups.

Example: The octarchy was formed to ensure equal representation among the eight member states.

Definition: A group or set of eight items, often used in contexts like music or science.

Example: The orchestra performed a beautiful octet composed for eight instruments.