(finance) Of financial products such as bonds, savings accounts, pension schemes, etc., yielding returns that are calculated based on the level of a referenced financial index, such as a consumer price index, typically to keep pace with inflation.

(audiology) a tool used to predict the amount of speech that is audible to a patient with a specific hearing loss

(pharmacology) The ratio of the median toxic dose of a drug to its median effective dose, used to gauge the safety of a particular medication (a low therapeutic index indicates that the drug is easily overdosed).

(programming) A processor register (or an assigned memory location) used to point to operand addresses during the run of a program, useful for stepping through strings and arrays.

plural of index register

(medicine, anthropology) A measure of the elongation or flatness of a head or skull: the maximum breadth of the skull divided by its maximum length, multiplied by 100.

(transitive) To index under a secondary heading or keyword, so that an item may be looked up or located in an alternative way.

(economics) A statistical estimate of the level of prices of goods and services bought by domestic producers.

A statistical measure that quantifies the robustness of a thermal process.

(economics) A statistical estimate of the level of prices of goods and services bought for consumption purposes by households.