(mathematics, politics) An index defined by the probability of changing an outcome of a vote where voting rights are not necessarily equally divided among the voters or shareholders.

A statistical measure of the weight of a person scaled according to height, used to estimate if a person is underweight or overweight. BMI units are defined as kg/m² ≈ 703*lb/in².

(differential geometry) A theorem stating that, for an elliptic differential operator on a compact manifold, the analytical index (related to the dimension of the space of solutions) is equal to the topological index (defined in terms of some topological data).

(economics) An index created by the World Bank, where higher rankings indicate better, usually simpler regulations for businesses and stronger protections of property rights.

A catalogue of traditional tales based around motifs used in folklore studies.

plural of ease of doing business index

The act or process of indicating; an indication.

plural of indexicalisation

Relating to indexicalism