What is the abbreviation for pound?

The abbreviation for pound is "lb." This abbreviation is derived from the Latin word "libra," which historically referred to a pound unit of weight. In the context of measurements, "lb" serves as a standard abbreviation for pounds in various fields, particularly in nutrition, medicine, and cooking. Understanding this is essential for accurately interpreting dosages and measurements, especially when working with medication, as it ensures clear communication regarding patient weight or other relevant calculations. The other choices represent different abbreviations: "mg" stands for milligrams, "tab" signifies tablet, and "cap" refers to capsule, none of which relate to the measurement of weight in pounds.