Part 389

2. (Zoöl.) An East Indian barbet (Megalaima faber), inhabiting the Island of Hainan. The name alludes to its note, which resembles the sounds made by a smith.

I"ron*stone` (?), n. A hard, earthy ore of iron.

Clay ironstone. See under Clay. -- Ironstone china, a hard white pottery, first made in England during the 18th century.

I"ron*ware` (?), n. Articles made of iron, as household utensils, tools, and the like.

I"ron*weed` (?), n. (Bot.) A tall weed with purplish flowers (Vernonia Noveboracensis). The name is also applied to other plants of the same genus.

I"ron*wood` (?), n. (Bot.) A tree unusually hard, strong, or heavy wood.

In the United States, the hornbeam and the hop hornbeam are so called; also the Olneya Tesota, a small tree of Arizona; in the West Indies, the Erythroxylon areolatum, and several other unrelated trees; in China, the Metrosideros vera; in India, the Mesua ferrea, and two species of Inga; in Australia, the Eucalyptus Sideroxylon, and in many countries, species of Sideroxylon and Diospyros, and many other trees.

I"ron*work` (?), n. Anything made of iron; -- a general name of such parts or pieces of a building, vessel, carriage, etc., as consist of iron.

I"ron works`. See under Iron, a.

I"ron*wort` (?), n. (Bot.) An herb of the Mint family (Sideritis), supposed to heal sword cuts; also, a species of Galeopsis.

I"ron*y (?), a. [From Iron.]

1. Made or consisting of iron; partaking of iron; iron; as, irony chains; irony particles. [R.] Woodward.

2. Resembling iron in taste, hardness, or other physical property.

I"ron*y (?), n. [L. ironia, Gr. &?; dissimulation, fr. &?; a dissembler in speech, fr. &?; to speak; perh. akin to E. word: cf. F. ironie.]

1. Dissimulation; ignorance feigned for the purpose of confounding or provoking an antagonist.

2. A sort of humor, ridicule, or light sarcasm, which adopts a mode of speech the meaning of which is contrary to the literal sense of the words.

Ir`o*quois" (?), n. sing. & pl. [F.] (Ethnol.) A powerful and warlike confederacy of Indian tribes, formerly inhabiting Central New York and constituting most of the Five Nations. Also, any Indian of the Iroquois tribes.

I"rous (?), a. [OF. iros, from ire. See Ire.] Irascible; passionate. [Obs.] Chaucer.

{ Irp, Irpe } (rp), n. [Etymol. uncertain.] A fantastic grimace or contortion of the body. [Obs.]

Smirks and irps and all affected humors.

B. Jonson.

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Irp (rp), a. Making irps. [Obs.] B. Jonson.

{ Ir*ra"di*ance (r*r"d*ans), Ir*ra"di*an*cy (- an*s), } n. [From Irradiant.]

1. The act of irradiating; emission of rays of light.

2. That which irradiates or is irradiated; luster; splendor; irradiation; brilliancy. Milton.

Ir*ra"di*ant (?), a. [L. irradians, -antis, p. pr. See Irradiate.] Irradiating or illuminating; as, the irradiant moon. Boyse.

Ir*ra"di*ate (?), v. t. [imp. & p. p. Irradiated (?); p. pr. & vb. n. Irradiating (?).] [L. irradiatus, p. p. of irradiate. See In- in, and Radiate.]