Exam: Cambridge English: C1 Advanced (CAE)

Definition: The study of whales and similar marine mammals.

Example: Cetology helps us understand the behavior and biology of whales.

Definition: Relating to a group of marine animals known for their transparent bodies and arrow-like shape, which belong to the phylum Chaetognatha.

Example: The chaetognath species are often found in the open ocean, swimming gracefully through the water.

Definition: A type of marine worm that belongs to the phylum Chaetognatha, commonly known as arrow worms, which are characterized by their elongated bodies and transparent appearance.

Example: The chaetognath is an important part of the marine food web, serving as both predator and prey.

Definition: A person who leads a meeting or organization, often responsible for making decisions and guiding discussions.

Example: The chairperson called the meeting to order and introduced the agenda.

Definition: A woman who leads or presides over a meeting, committee, or organization.

Example: The chairwoman called the meeting to order and welcomed everyone.

Definition: A type of element found in group 16 of the periodic table, which includes oxygen, sulfur, selenium, tellurium, and polonium.

Example: Oxygen is a well-known chalcogen that is essential for life.

Definition: A type of chemical compound that consists of a chalcogen element combined with a more electropositive element, typically forming a binary compound.

Example: The researchers studied various chalcogenides for their potential use in solar cells.

Definition: Describing something that can easily change its appearance or behavior, similar to how a chameleon changes color.

Example: The artist's chameleonic style allows her to adapt to different genres effortlessly.

Definition: A type of court that deals with cases related to equity and justice, often focusing on fairness rather than strict legal rules.

Example: The dispute was taken to the chancery to seek a fair resolution.

Definition: Relating to or resembling a type of sore or ulcer, specifically a chancre, which is often associated with certain diseases.

Example: The doctor examined the chancrous lesions on the patient's skin.

Definition: The condition of not changing or remaining the same over time.

Example: The changelessness of the landscape made it feel timeless and eternal.