Definition: A type of garnet that is usually green and made of calcium aluminum silicate.

Example: The jeweler showed me a beautiful ring with a grossular stone.

Definition: A type of garnet that can be pale green, pink, brown, or black, and is made of a specific chemical composition.

Example: The jeweler showed me a beautiful ring with a grossularite stone.

Definition: A person or thing that introduces new ideas or methods, often leading to significant changes or advancements.

Example: The scientist was a true groundbreaker in the field of renewable energy.

Definition: Describing something that is new and different, often introducing new ideas or methods that change the way things are done.

Example: The scientist's groundbreaking research opened up new possibilities in medicine.

Definition: The event or ceremony that marks the beginning of a construction project, where the ground is broken to start building.

Example: The groundbreaking for the new library took place last week.

Definition: The fine-grained or glassy material in which larger crystals are found in certain types of rocks.

Example: The geologist examined the groundmass to understand the rock's formation.

Definition: A yellowish oily substance that has a pleasant smell, used mainly as a medicine to help with coughing, as a disinfectant, and to numb areas of the body.

Example: The doctor prescribed guaiacol to help relieve her cough.

Definition: A strong base that can form crystals, made from the oxidation of guanine, and is related to certain amino acids in proteins.

Example: Guanidin is often used in biochemical research due to its unique properties.

Definition: A chemical compound that is alkaline and crystalline, often used in making plastics and other materials, and is produced in the body during protein breakdown.

Example: Guanidine is used in laboratories for various chemical reactions and processes.

Definition: A type of crystalline substance found in guano and present in certain glands of mammals, including the liver and pancreas.

Example: Guanin is an important component in the biochemistry of living organisms.

Definition: A type of chemical compound that is a building block of DNA and RNA, important for storing and transmitting genetic information.

Example: Guanine pairs with cytosine in the structure of DNA.