Exam: Cambridge English: C1 Advanced (CAE)

Definition: A type of cell division that occurs in sexually reproducing organisms, which reduces the chromosome number in reproductive cells, resulting in the formation of gametes or spores.

Example: Meiosis is essential for sexual reproduction as it produces gametes with half the number of chromosomes.

Definition: Related to the process of cell division that reduces the number of chromosomes in reproductive cells.

Example: During meiotic division, the chromosome number is halved to produce gametes.

Definition: A synthetic radioactive element with the atomic number 109, known for its very short half-life and produced in laboratories.

Example: Meitnerium is used in scientific research to study the properties of heavy elements.

Definition: Feeling or showing a deep sadness or sorrow, often without a clear reason.

Example: After hearing the sad news, she felt melancholic for the rest of the day.

Definition: Feeling or showing a deep sadness or sorrow; often reflective or thoughtful.

Example: She felt a sense of melancholy as she looked out at the rainy day.

Definition: A feeling of deep sadness or sorrow, often without a clear cause. It can also refer to a thoughtful or reflective mood.

Example: After hearing the sad news, a sense of melancholy filled the room.

Definition: Relating to or characterized by an increased amount of melanin, which can cause dark pigmentation in organisms.

Example: The melanic form of the butterfly is much darker than its lighter counterparts.

Definition: A type of organism that has a dark pigmentation, often due to an excess of melanin.

Example: The melanic form of the butterfly is more common in areas with high sunlight exposure.

Definition: The process of producing or increasing melanin in a tissue or organism, which results in a darker color, or the darkening of soil due to humus.

Example: The melanization of the skin can occur due to sun exposure.

Definition: To make something dark or black, often by adding a dark substance or pigment.

Example: The artist decided to melanize the canvas to give it a deeper tone.

Definition: A type of cell that develops into a melanocyte, which is responsible for producing pigment in the skin, hair, and eyes.

Example: Melanoblasts are essential for the formation of skin color and protection against UV radiation.

Definition: A type of cell in the skin that makes a pigment called melanin, which gives color to the skin and protects it from the sun.

Example: Melanocytes are responsible for the color of our skin and hair.