Twelfths are parts that are equal to one of the 12 equal parts of a whole thing. The synonyms for twelfths include one-twelfth, twelfth part, and 1/12. These terms are used in different contexts such as mathematics, measurements, and recipes. In cooking, a recipe may call for a twelfth of a teaspoon of an ingredient. In math, fractions involving twelfths may be used to calculate measurements or divide values equally. Other synonyms for twelfths include a dozen parts, duodecimal, and twelve equal parts. These synonyms come in handy in various situations, making it easier to communicate ideas concerning dividing something into 12ths.