{ Hy`po*stat"ic (?), Hy`po*stat"ic*al (?), } a. [Gr. &?;: cf. F. hypostatique.] 1. Relating to hypostasis, or substance; hence, constitutive, or elementary.

The grand doctrine of the chymists, touching their three hypostatical principles.

Boyle.

2. Personal, or distinctly personal; relating to the divine hypostases, or substances. Bp. Pearson.

3. (Med.) Depending upon, or due to, deposition or setting; as, hypostatic cognestion, cognestion due to setting of blood by gravitation.

Hypostatic union(Theol.), the union of the divine with the human nature of Christ.Tillotson.