Exam: Cambridge English: C2 Proficiency (CPE)

Definition: A slow movement or oscillation of a satellite as seen from the larger body it orbits, making it appear to wobble slightly.

Example: The libration of the moon allows us to see slightly more than half of its surface from Earth.

Definition: A document that gives someone official permission to do something, such as driving a car or operating a business.

Example: He applied for a driving licence to legally drive on the roads.

Definition: Having official permission to do something, usually after meeting certain requirements or regulations.

Example: The doctor is licensed to practice medicine in this state.

Definition: To have received official permission to do something, often related to a profession or activity.

Example: She was licenced to practice medicine after completing her training.

Definition: Able to be officially permitted or authorized through a license.

Example: The software is licensable for commercial use.

Definition: A document or permission that allows someone to do something, such as driving a car or practicing a profession.

Example: You need a license to drive a car legally.

Definition: To give official permission for someone to do something, often related to activities like driving or operating a business.

Example: The government will license new drivers after they pass the test.

Definition: Relating to the study of lichens, which are organisms made up of fungi and algae living together.

Example: The lichenological research revealed new species in the forest.

Definition: Describing something that is covered with or resembles a type of plant that grows on rocks and trees, often appearing as a greenish or grayish crust.

Example: The lichenous surface of the old tree added a unique texture to the forest.

Definition: Allowed by law; something that is legal and not against the rules.

Example: The company only engages in licit activities to ensure compliance with regulations.

Definition: A process or action of tying or binding something, often used in medical contexts to refer to the tying off of blood vessels or tissues.

Example: The surgeon performed a ligation to prevent excessive bleeding during the operation.

Definition: Having the texture or appearance of wood; resembling wood.

Example: The ligneous plant had a sturdy, wooden stem that supported its vibrant leaves.