Definition: Relating to or derived from a chemical element called yttrium, which is used in various materials and applications.

Example: The yttric compounds are essential in the production of certain types of glass and ceramics.

Definition: A shiny, silver-colored metal that is found in many minerals and is used in making strong alloys and special materials like lasers.

Example: Yttrium is often used in the production of high-performance lasers and superconductors.

Definition: A blue pigment made from cobalt ore, used in art and ceramics.

Example: The artist used zaffre to create a vibrant blue in her painting.

Definition: A type of mineral that is a hydrous basic nickel carbonate, often found in green crusts or solid forms.

Example: The geologist discovered a rare sample of zaratite during the field expedition.

Definition: A type of plant hormone that helps regulate growth and development, particularly in young plants.

Example: Zeatin is important for promoting cell division and growth in plants.

Definition: A type of yellow pigment found in many fruits and vegetables, important for eye health and often associated with the color of corn and spinach.

Example: Zeaxanthin is known to help protect the eyes from harmful light.

Definition: A signal from the environment that helps to regulate the body's internal clock, such as changes in light or temperature.

Example: The sunrise acts as a natural zeitgeber, helping to wake people up in the morning.

Definition: The highest point or peak of something, often used to describe a person's career or a celestial body in the sky.

Example: After years of hard work, she finally reached the zenith of her career as a director.

Definition: Relating to or situated at the highest point in the sky, often used in contexts like astronomy or mapping.

Example: The zenithal position of the sun occurs at noon when it is directly overhead.

Definition: A type of mineral that contains water and is made of aluminum and silicon, often used for filtering and exchanging ions in various processes.

Example: Zeolites are commonly used in water treatment to remove impurities.