Any device for comparing a physical property of two objects, or an object with a standard.

A phenomenon that generally occurs in advance of a more important phenomenon, aiding in its prediction.

plural of leading indicator

plural of indicative mood

(aviation) A two-letter indicator used in fare construction to indicate the basic routing that the fare applies to.

(chemistry) A substance that exists in an oxidized and reduced forms, these forms having different colours, changing colour at a specific redox potential

The oldest form of Indo-Aryan languages, specifically Vedic or classical Sanskrit (ca. 1500–300 BCE)

Of or pertaining to the oldest form of Indo-Aryan languages.

A function which is equal to 1 for all points in its domain which belong to a given set, and is equal to 0 for all points in the domain which do not belong to that given set.

plural of indicator variable