Defn: A decree of the Sultan.

IRAN
I`ran" (e`rän"), n. Etym: [Mod. Persian Iran. Cf. Aryan.]

Defn: The native name of Persia.

IRANIAN
I*ra"ni*an, a.

Defn: Of or pertaining to Iran.
— n.

Defn: A native of Iran; also, the Iranian or Persian language, a division of the Aryan family of languages.

IRANIC
I*ran"ic, a.

Defn: Iranian.

IRASCIBILITY
I*ras`ci*bil"i*ty, n. Etym: [Cf. F. irascibilité.]

Defn: The quality or state of being irascible; irritability of temper; irascibleness.