Definition: A type of tool used by Indigenous Australians, typically made of wood, to throw spears or darts with greater force and distance.

Example: The hunter skillfully used the womera to launch his spear at the target.

Definition: A tool used by Australian aborigines to throw spears more effectively, often made of wood and shaped like a stick.

Example: The hunter skillfully used the wommera to launch his spear at the target.

Definition: A piece of material that is being worked on or shaped during manufacturing or crafting processes.

Example: The carpenter carefully measured the workpiece before cutting it to size.

Definition: A mineral that is typically yellow to orange-brown and is used as a source of molybdenum.

Example: Wulfenite is often found in bright orange-yellow crystals in mineral collections.

Definition: A mineral that can be light to dark brown in color, consisting of zinc and iron sulfide, and is a form of another mineral called sphalerite. It is used as a minor source of zinc.

Example: Wurtzite is often found in areas where zinc is mined.

Definition: A type of salt derived from xanthic acid, commonly used in mining to help separate metals like copper, silver, and gold from their ores.

Example: The mining company used xanthate to improve the extraction of gold from the ore.

Definition: A type of yellow pigment found in some plants, which is soluble in water and is part of the carotenoid family.

Example: Xanthein is responsible for the yellow color in certain fruits and vegetables.

Definition: A yellow crystalline compound that is used in various chemical processes and can be found in some dyes.

Example: Xanthene is often used in laboratories for organic synthesis.

Definition: A chemical compound related to xanthine, often found in various biological systems.

Example: Xanthin is important in the metabolism of purines in the body.

Definition: A yellowish-white, crystalline substance that is a type of purine base found in the body and some plants, and is involved in the production of uric acid.

Example: Xanthine is often studied in relation to its role in metabolism and its presence in various biological tissues.