Final answer:
The faded symbol described is likely an addition symbol, commonly used in mathematics for addition and in science to separate chemical reactants and products.
Step-by-step explanation:
The symbol that looks like a faded plus sign is likely an addition symbol. In various contexts, this symbol can have different meanings. For example, in mathematics, a plus sign (+) is used to represent the addition of two numbers. In science, plus signs are also used to separate individual reactant and product formulas in a chemical equation. Additionally, the plus sign is related to sign convention, where it can indicate a positive value or direction, as in objects moving upward are generally assigned a positive sign.
The symbol you described that looks like a faded plus sign is most likely the Addition symbol (A). It can often appear faded or blurred on certain surfaces or when it is printed in a low contrast color. The addition symbol is used in mathematics to represent the operation of addition, which combines two or more numbers to find their sum. For example, if you have the equation 2 + 3, the addition symbol (+) is used to connect the numbers 2 and 3, resulting in a sum of 5.