A pointer or index that indicates something. / A meter or gauge. / The needle or dial on such a meter.

plural of indicator

indicatable / (sciences) detectable, as by an assay, test, or instrument.

Indictable

That can be indexed.

(mathematics, of a group) Such that there exists a homomorphism from it to ℤ, the integers.

(rare) indescribable

Serving to point out, as a remedy; indicating.

That which indicates or points out.

plural of indicative