They never depart an iota from the authentic formulas of tyranny
and usurpation.
Burke.
Iota subscript (Gr. Gram.), iota written beneath a preceding vowel, as
a,, h,, w,, -- done when iota is silent.
I*o"ta*cism (*"t*sz'm), n. [Gr. 'iotakismo`s a laying too much stress
upon the iota (ι): cf. F. iotacisme. See Iota.] The frequent use
of the sound of iota (that of English e in be), as among the modern
Greeks; also, confusion from sounding ε, ι, η,
υ, ει, etc., like ι. Littré.
I O U (?). [i. e., I owe you.] A paper having on it these letters, with
a sum named, and duly signed; -- in use in England as an acknowledgment
of a debt, and taken as evidence thereof, but not amounting to a
promissory note; a due bill. Wharton. Story.
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.