Part 384

I"o*was (?), n. pl.; sing. Iowa. (Ethnol.) A tribe of Indians which formerly occupied the region now included in the State of Iowa.

Ip"e*cac (p"*kk), n. An abbreviation of Ipecacuanha, and in more frequent use.

Ip`e*cac`u*an"ha (p`*kk`*n"), n. [Pg. ipecacuanha (cf. Sp. ipecacuana); fr. Braz. ipe-kaa-guena, prop., a creeping plant that causes vomiting.] (Med. & Bot.) The root of a Brazilian rubiaceous herb (Cephaëlis Ipecacuanha), largely employed as an emetic; also, the plant itself; also, a medicinal extract of the root. Many other plants are used as a substitutes; among them are the black or Peruvian ipecac (Psychotria emetica), the white ipecac (Ionidium Ipecacuanha), the bastard or wild ipecac (Asclepias Curassavica), and the undulated ipecac (Richardsonia scabra).

Ip"o*cras (?), n. Hippocras. [Obs.] Chaucer.

||Ip`o*mœ"a (p`*m"), n. [NL. "Named, according to Linnæus, from Gr. ||'i`ps, 'ipo`s, a bindweed [which it is not], and "o`moios like." ||Gray.] (Bot.) A genus of twining plants with showy monopetalous ||flowers, including the morning-glory, the sweet potato, and the ||cypress vine. || Ip`o*mœ"ic (?), a. (Chem.) Pertaining to, or designating, an acid obtained by the oxidation of convolvulin (obtained from jalap, the tubers of Ipomœa purga), and identical in most of its properties with sebacic acid.

Ir- (?). A form of the prefix in-. See In- .

I"ra*cund (?), a. [L. iracundus, fr. ira anger.] Irascible; choleric. "Iracund people." Carlyle.

I*ra"de (*rä"d), n. [Turk.] A decree of the Sultan.

I`ran" (`rän"), n. [Mod. Persian Irn. Cf. Aryan.] The native name of Persia.

I*ra"ni*an (?), a. Of or pertaining to Iran. -- n. A native of Iran; also, the Iranian or Persian language, a division of the Aryan family of languages.

I*ran"ic (?), a. Iranian.

I*ras`ci*bil"i*ty (?), n. [Cf. F. irascibilité.] The quality or state of being irascible; irritability of temper; irascibleness.

I*ras"ci*ble (?), a. [L. irascibilis, fr. irasci to be angry, ira anger: cf. F. irascible. See Ire.] Prone to anger; easily provoked or inflamed to anger; choleric; irritable; as, an irascible man; an irascible temper or mood. -- I*ras"ci*ble*ness, n. -- I*ras"ci*bly, adv.

I*rate" (?), a. [L. iratus, fr. irasci to be angry. See Ire.] Angry; incensed; enraged. [Recent]

The irate colonel . . . stood speechless.

Thackeray.

Mr. Jaggers suddenly became most irate.

Dickens.

Ire (?), n. [F., fr. L. ira.] Anger; wrath. [Poet.]

Syn. -- Anger; passion; rage; fury. See Anger.

Ire"ful (?), a. Full of ire; angry; wroth. "The ireful bastard Orleans." Shak. -- Ire"ful*ly, adv.

Ire"ful*ness, n. Wrathfulness. Wyclif.

I"re*narch (?), n. [L. irenarcha, irenarches, Gr. &?;; &?; peace + &?; to rule.] (Gr. Antiq.) An officer in the Greek empire having functions corresponding to those of a justice of the peace. [Written also eirenarch.]

{ I*ren"ic (?), I*ren"ic*al (?), } a. [Gr. &?;.] Fitted or designed to promote peace; pacific; conciliatory; peaceful. Bp. Hall.

||I*ren"i*con (?), n. [NL., from Gr. &?; peaceful, fr. &?; peace.] A ||proposition or device for securing peace, especially in the church. ||South. || I*ren"ics (?), n. (Eccl.) That branch of Christian science which treats of the methods of securing unity among Christians or harmony and union among the churches; -- called also Irenical theology. Schaff- Herzog.

Ire"stone` (?), n. (Mining) Any very hard rock.

I"ri*an (?), a. Of or pertaining to the iris. "Irian nerves." Dunglison.

I"ri*cism (?), n. Irishism. [R.] Jeffrey.