noun a two-fold quantity or amount
verb to make or become twice as much
adjective consisting of two equal, identical, or similar parts or things
adverb to twice the extent or degree
In mathematics, 'double' is often used to refer to multiplying a number by 2. For example, 'double the value of x' means 2*x.
In cooking, 'double' can refer to doubling a recipe to make a larger batch of food. For example, 'double the ingredients to make a bigger cake.'
In finance, 'double' can be used to describe an investment that has doubled in value, or a return that is twice the original amount.
In sports, 'double' can be used to describe achieving two of a particular milestone or feat in a single game or match. For example, 'he scored a double in the baseball game.'
In the writing world, 'double' can refer to a type of quotation mark used to indicate a quote within a quote.
In psychology, 'double' can refer to a type of blind study where both the participants and the researchers are unaware of who is receiving the treatment.
In accounting, 'double' can refer to double-entry bookkeeping, a method of recording financial transactions.
In software development, 'double' can refer to a data type used to store floating-point numbers with double precision.
In engineering, 'double' can refer to a type of precision measurement tool with twice the accuracy of a standard measurement tool.