Defn: Pertaining to, or designating, any one of several acids (known only in their salts) which contain more than one atom of chromium.

POLYCHROMOUS
Pol`y*chro"mous, a.

Defn: Of or pertaining to polychromy; many-colored; polychromatic.

POLYCHROMY
Pol"y*chro`my, n. Etym: [Poly- + Gr. (Anc. Art)

Defn: The art or practice of combining different colors, especially brilliant ones, in an artistic way.

POLYCHRONIOUS
Pol`y*chro"ni*ous, a. Etym: [Poly- + Gr.

Defn: Enduring through a long time; chronic.

POLYCLINIC
Pol`y*clin"ic, n. Etym: [Poly- + clinic.] (Med.)

Defn: A clinic in which diseases of many sorts are treated; especially, an institution in which clinical instruction is given in all kinds of disease.

POLYCONIC
Pol`y*con"ic, a. Etym: [Poly- + conic.]