Weighing Instrument: A scale can refer to an instrument or machine used for weighing objects. It could be a traditional balance with two pans of equal weight suspended from a beam or a modern electronic device that measures weight,
Fish and Reptile Anatomy: In biology, a scale is a small, flattened, rigid plate that forms part of the external body covering of fish and reptiles. These overlapping plates protect their skin,
Skin and Coating: The term scale also applies to thin, dry layers,
Skin Scales: These are small, thin, dry lamina shed from the skin, often seen in skin diseases,
Metal Oxide Scale: When metal (like iron) is heated, a black scaly coating of oxide forms on its surface.