The capital W in science stands for watt, a unit of power commonly used to measure electrical energy.
In mathematics, the capital W is often used as a variable to represent a set of numbers or data points.
In chemistry, the capital W can stand for many different things depending on the context. It can represent the element tungsten, the transition state in a chemical reaction, or the work function in the photoelectric effect.
In biology, the capital W is commonly used to represent the amino acid tryptophan, one of the building blocks of proteins.
In physics, the capital W can represent many different things, such as work, weight, or the weak nuclear force. It is important to understand the context in order to determine what the capital W stands for in a specific situation.