io
-an exclamation of joy or triumph;
-- often interjectional.

io moth
-a large and handsome american moth (hyperchiria io), having a large, bright
-colored spot on each hind wing, resembling the spots on the tail of a peacock. the larva is covered with prickly hairs, which sting like nettles.

iod
-
-see iodo
-.
-a prefix, or combining from, indicating iodine as an ingredient; as, iodoform.

iodal
-an oily liquid, cl3.cho, analogous to chloral and bromal.

iodate
-a salt of iodic acid.

iodhydrin
-one of a series of compounds containing iodine, and analogous to the chlorhydrins.

iodic
-to, or containing, iodine; specif., denoting those compounds in which it has a relatively high valence; as, iodic acid.

iodide
-a binary compound of iodine, or one which may be regarded as binary; as, potassium iodide.

iodine
-a nonmetallic element, of the halogen group, occurring always in combination, as in the iodides. when isolated it is in the form of dark gray metallic scales, resembling plumbago, soft but brittle, and emitting a chlorinelike odor. symbol i. atomic weight 126.5. if heated, iodine volatilizes in beautiful violet vapors.

iodism
-a morbid state produced by the use of iodine and its compounds, and characterized by palpitation, depression, and general emaciation, with a pustular eruption upon the skin.

iodize
-to treat or impregnate with iodine or its compounds; as, to iodize a plate for photography.

iodized
-of iodize

iodizer
-one who, or that which, iodizes.

iodizing
-of iodize

iodo
-
-alt. of iod
-

iodoform
-a yellow, crystalline, volatile substance, ci3h, having an offensive odor and sweetish taste, and analogous to chloroform. it is used in medicine as a healing and antiseptic dressing for wounds and sores.

iodoquinine
-a iodide of quinine obtained as a brown substance,. it is the base of herapathite. see herapathite.

iodous
-pertaining to, or containing, iodine. see
-ous (chemical suffix).

ioduret
-iodide.

iodyrite
-silver iodide, a mineral of a yellowish color.

iolite
-a silicate of alumina, iron, and magnesia, having a bright blue color and vitreous luster; cordierite. it is remarkable for its dichroism, and is also called dichroite.

ion
-one of the elements which appear at the respective poles when a body is subjected to electro
-chemical decomposition. cf. anion, cation.

ionian
-of or pertaining to ionia or the ionians; ionic.
-a native or citizen of ionia.

ionic
-of or pertaining to ionia or the ionians.
-pertaining to the ionic order of architecture, one of the three orders invented by the greeks, and one of the five recognized by the italian writers of the sixteenth century. its distinguishing feature is a capital with spiral volutes. see illust. of capital.
-of or pertaining to an ion; composed of ions.
-a foot consisting of four syllables: either two long and two short,
-- that is, a spondee and a pyrrhic, in which case it is called the greater ionic; or two short and two long,
-- that is, a pyrrhic and a spondee, in which case it is called the smaller ionic.
-a verse or meter composed or consisting of ionic feet.
-the ionic dialect; as, the homeric ionic.
-ionic type.

ionidium
-a genus of violaceous plants, chiefly found in tropical america, some species of which are used as substitutes for ipecacuanha.

ioqua shell
-the shell of a large dentalium (d. pretiosum), formerly used as shell money, and for ornaments, by the indians of the west coast of north america.

ios
-of io

iota
-the ninth letter of the greek alphabet (/) corresponding with the english i.
-a very small quantity or degree; a jot; a particle.

iotacism
-the frequent use of the sound of iota (that of english e in be), as among the modern greeks; also, confusion from sounding /, /, /, /, //, etc., like /.

iowas
-a tribe of indians which formerly occupied the region now included in the state of iowa.