fraction /ˈfɹæk.ʃən/noun 6verb 2forms 3 noun6 •A part of a whole, especially a comparatively small part. •A component of a mixture, separated by fractionation. •A small amount. •A ratio of two numbers (numerator and denominator), usually written one above the other and separated by a horizontal bar called the vinculum or, alternatively, in sequence on the same line and separated by a solidus (diagonal bar).Gasoline prices show the mill as a fraction, for example $3.59+⁹⁄₁₀. •In a eucharistic service, the breaking of the host.[…] The bread, when it is consecrated and made sacramental, is the body of our Lord; and the fraction and distribution of it is the communication of that body, which died for us upon the cross. — 1822 •(no longer used) The act of breaking, or state of being broken, especially by violence.Neither can the natural body of Christ be subject to any fraction or breaking. — 1563 verb2 •To divide or break into fractions. •To fractionate. formsfractioned · fractioning · fractions