INDICANT
index, index number, indicant, indicator
(noun) a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time
indication, indicant
(noun) something that serves to indicate or suggest; “an indication of foul play”; “indications of strain”; “symptoms are the prime indicants of disease”
Source: WordNet® 3.1
Etymology
Adjective
indicant (not comparable)
Serving to point out, as a remedy; indicating.
Noun
indicant (plural indicants)
That which indicates or points out.
Source: Wiktionary
In"di*cant, a. Etym: [L. indicans, p. pr. indicare. See Indicate.]
Definition: Serving to point out, as a remedy; indicating.
In"di*cant, n.
Definition: That which indicates or points out; as, an indicant of the
remedy for a disease.
Source: Webster’s Unabridged Dictionary 1913 Edition