Exam: Cambridge English: C1 Advanced (CAE)

Definition: The process by which an egg cell is formed and matures in the female reproductive system.

Example: Oogenesis is essential for reproduction in many animals, including humans.

Definition: Relating to the process of egg cell development in female organisms.

Example: The oogenetic process is crucial for the formation of eggs in many species.

Definition: A person who studies or collects birds' eggs.

Example: The oologist carefully examined the eggs for signs of damage.

Definition: To make something not transparent or clear by adding a substance that causes it to become opaque.

Example: The scientist decided to opacify the solution to prevent light from passing through it.

Definition: The quality of being difficult to see through or understand; lack of transparency.

Example: The opacity of the glass made it hard to see inside the room.

Definition: Showing a play of colors like an opal, often with a milky or shimmering appearance.

Example: The opalescent surface of the water reflected the colors of the sunset beautifully.

Definition: Not able to be seen through; not transparent or clear.

Example: The glass was opaque, making it impossible to see what was inside the box.

Definition: A substance that does not allow light to pass through, making it impossible to see through it.

Example: The artist used an opaque paint to create a rich, dark background for the painting.

Definition: In a way that is not transparent or clear; not allowing light to pass through.

Example: The glass was treated so that it could be seen only opaquely.

Definition: The quality of not allowing light to pass through; being difficult to see through or understand.

Example: The opaqueness of the glass made it impossible to see inside the room.

Definition: This word describes something that does not allow light to pass through, making it difficult to see through it. It is used to compare the degree of opacity between two or more objects.

Example: The new curtains are opaquer than the old ones, blocking out more light.