A division of copepod crustaceans, including numerous species parasitic on fishes.

A grand division of the Vertebrata, including the Amphibia and Fishes.

See Ichthyosauria.

The typical limb, or lateral fin, of fishes.

An extinct genus of toothed birds found in the American Cretaceous formation. It is remarkable for having biconcave vertebr/, and sharp, conical teeth set in sockets. Its wings were well developed. It is the type of the order Odontotorm/.

One of the Ichthyosaura.

An extinct order of marine reptiles, including Ichthyosaurus and allied forms; -- called also Ichthyopterygia. They have not been found later than the Cretaceous period.

Of or pertaining to the Ichthyosauria. One of the Ichthyosauria.

An extinct genus of marine reptiles; -- so named from their short, biconcave vertebr/, resembling those of fishes. Several species, varying in length from ten to thirty feet, are known from the Liassic, O/litic, and Cretaceous formations.

A disease in which the skin is thick, rough, and scaly; -- called also fishskin.

One skilled in ichthyotomy.

The anatomy or dissection of fishes.

Same as Ichthus.

A pendent, and usually conical, mass of ice, formed by freezing of dripping water; as, the icicles on the eaves of a house.

Having icicles attached.

In an icy manner; coldly.

The state or quality of being icy or very cold; frigidity.

A coating or covering resembling ice, as of sugar and milk or white of egg; frosting.

An icicle.

very bad; repulsive; unpleasant; distasteful.

An image or representation; a portrait or pretended portrait.

Pertaining to, or consisting of, images, pictures, or representations of any kind.

The formation of a figure, representation, or semblance; a delineation or description.

To form an image or likeness of.

The doctrine or practice of the iconoclasts; image breaking.

A breaker or destroyer of images or idols; a determined enemy of idol worship.

Of or pertaining to the iconoclasts, or to image breaking.

One who serves images; -- opposed to an iconoclast.

An engraving or other picture or illustration for a book.

A maker of images.

Of or pertaining to iconography.

The art or representation by pictures or images; the description or study of portraiture or representation, as of persons; as, the iconography of the ancients.

One who worships images.

The worship of images as symbols; -- distinguished from idolatry, the worship of images themselves.

The discussion or description of portraiture or of representative images. Cf. Iconography.

Hostility to images as objects of worship.

A mania or infatuation for icons, whether as objects of devotion, bric-a-brac, or curios.

Opposed to pictures or images as objects of worship.

A student, or lover of the study, of iconography.

Having twenty equal sides or faces.

A solid bounded by twenty sides or faces.

A Linn/an class of plants, having twenty or more stamens inserted in the calyx.

Pertaining to the class Icosandria; having twenty or more stamens inserted in the calyx.

A twenty-four-sided solid; a tetragonal trisoctahedron or trapezohedron.

A remedy for the jaundice.

Pertaining to, or affected with, jaundice.

Yellow; of the color of the skin when it is affected by the jaundice.

Of a tint resembling that produced by jaundice; yellow; as, an icteroid tint or complexion.

The jaundice.

Pertaining to, or caused by, a blow; sudden; abrupt.

A genus of fishes comprising the buffalofishes.

An extinct reptile intermediate in form between the therapsids and most primitive true mammals.

An order of extinct reptiles of the Upper Triassic.

The stress of voice laid upon accented syllable of a word. Cf. Arsis.

Pertaining to, resembling, or abounding in, ice; cold; frosty.

Spangled with ice.

A small fresh-water cyprinoid fish (Leuciscus idus or Idus idus) of Europe. A domesticated variety, colored like the goldfish, is called orfe in Germany.

That part of a person's psyche which is the unconscious source of impulses seeking gratification or pleasure; the impulses are usually modified by the ego and superego before being acted upon.

a resident of Idaho.

Of or pertaining to Idalium, a mountain city in Cyprus, or to Venus, to whom it was sacred.

The transcript, image, or picture of a visible object, that is formed by the mind; also, a similar image of any object whatever, whether sensible or spiritual.

A mental conception regarded as a standard of perfection; a model of excellence, beauty, etc.

Destitute of an idea.

Same as idealization.

Same as idealize.

The quality or state of being ideal.

One who idealizes; one who forms picturesque fancies; one given to romantic expectations.

Of or pertaining to idealists or their theories.

The quality or state of being ideal.

The act or process of idealizing.

To form ideals.

An idealist.

In an ideal manner; by means of ideals; mentally.

Of or pertaining to an idealogue, or to idealization.

One given to fanciful ideas or theories; a theorist; a spectator.

To form in idea; to fancy.

The actual existence supposed to correspond with an idea; the correlate in real existence to the idea as a thought or existence.

The faculty or capacity of the mind for forming ideas; the exercise of this capacity; the act of the mind by which objects of sense are apprehended and retained as objects of thought.

Pertaining to, or characterized by, ideation.

The same; the same as above; -- often abbreviated id.

Identical.

The same; the selfsame; the very same; not different; as, the identical person or thing.

In diplomacy (esp. in the form identic), precisely agreeing in sentiment or opinion and form or manner of expression; -- applied to concerted action or language which is used by two or more governments in treating with another government.

In an identical manner; with respect to identity.

The quality or state of being identical; sameness.

Capable of being identified.

The act of identifying, or proving to be the same; also, the state of being identified.

recognized; having the identity established.

To become the same; to coalesce in interest, purpose, use, effect, etc.

serving to distinguish or identify an object, person, species or group; as, we were asked to describe any identifying marks or distinguishing features.

A set of images containing a wide variety of facial features, such as noses, hairlines, chins, etc. on transparencies which can be overlayed in combinations to build up a picture of a person; it is used by police agencies to create concrete images of a crime suspect from the descriptions of witnesses; the image created with the kit is also called an Identikit, or more properly an Identikit picture.

The doctrine taught by Schelling, that matter and mind, and subject and object, are identical in the Absolute; -- called also the system of identity or doctrine of identity.

The state or quality of being identical, or the same; sameness.

An ideo-motor movement.

Applied to those actions, or muscular movements, which are automatic expressions of dominant ideas, rather than the result of distinct volitional efforts, as the act of expressing the thoughts in speech, or in writing, while the mind is occupied in the composition of the sentence.

Of or relating to ideology.

The science which treats of the origin of ideas.

An original, pictorial element of writing; a kind of hieroglyph expressing no sound, but only an idea.

Same as Ideogram.

Of or pertaining to an ideogram; representing ideas by symbols, independently of sounds; as, 9 represents not the word /nine,/ but the idea of the number itself.

The system of writing in ideographic characters; also, anything so written.

The representation of ideas independently of sounds, or in an ideographic manner, as sometimes is done in shorthand writing, etc.

Of or pertaining to ideology.

concerned with or suggestive of ideas; as, an ideologic argument.

One who treats of ideas; one who theorizes or idealizes; one versed in the science of ideas, or who advocates the doctrines of ideology.

an adherent to or advocate of some ideology{3}.

The science of ideas.

The fifteenth day of March, May, July, and October, and the thirteenth day of the other months.

An individual cell, differing greatly from its neighbours in regard to size, structure, or contents.

Idiocracy.

Peculiarity of constitution; that temperament, or state of constitution, which is peculiar to a person; idiosyncrasy.

Peculiar in constitution or temperament; idiosyncratic.

The condition or quality of being an idiot; absence, or marked deficiency, of sense and intelligence.

Same as Idiophanous.

Electric by virtue of its own peculiar properties; capable of becoming electrified by friction; -- opposed to anelectric. An idioelectric substance.

A mark or signature peculiar to an individual; a trade-mark.

Of or pertaining to an idiograph.

Self-worship; excessive self-esteem.

the language or speech of one individual at a particular period in life.

The syntactical or structural form peculiar to any language; the genius or cast of a language.