Plural Nouns Starting with I

Ichneumonides (n. pl.) The ichneumon flies.

Ichthyomorpha (n. pl.) The Urodela.

Ichthyophthira (n. pl.) A division of copepod crustaceans, including numerous species parasitic on fishes.

Ichthyopsida (n. pl.) A grand division of the Vertebrata, including the Amphibia and Fishes.

Ichthyopterygia (n. pl.) See Ichthyosauria.

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

Icosandria (n. pl.) A Linnaean class of plants, having twenty or more stamens inserted in the calyx.

Ides (n. pl.) The fifteenth day of March, May, July, and October, and the thirteenth day of the other months.

Impennes (n. pl.) An order of birds, including only the penguins, in which the wings are without quills, and not suited for flight.

Imperforata (n. pl.) A division of Foraminifera, including those in which the shell is not porous.

Implacentalia (n. pl.) A primary division of the Mammalia, including the monotremes and marsupials, in which no placenta is formed.

Improperia (n. pl.) A series of antiphons and responses, expressing the sorrowful remonstrance of our Lord with his people; -- sung on the morning of the Good Friday in place of the usual daily Mass of the Roman ritual.

Inclusa (n. pl.) A tribe of bivalve mollusks, characterized by the closed state of the mantle which envelops the body. The ship borer (Teredo navalis) is an example.

Indices (n. pl.) See Index.

Indicia (n. pl.) Discriminating marks; signs; tokens; indications; appearances.

Indies (n. pl.) A name designating the East Indies, also the West Indies.

Induviae (n. pl.) Persistent portions of a calyx or corolla; also, leaves which do not disarticulate from the stem, and hence remain for a long time.

Inexpressibles (n. pl.) Breeches; trousers.

Inferiae (n. pl.) Sacrifices offered to the souls of deceased heroes or friends.

Inferobranchiata (n. pl.) A suborder of marine gastropod mollusks, in which the gills are between the foot and the mantle.

Infusoria (n. pl.) One of the classes of Protozoa, including a large number of species, all of minute size.

Ingesta (n. pl.) That which is introduced into the body by the stomach or alimentary canal; -- opposed to egesta.

Insabbatati (n. pl.) The Waldenses; -- so called from their peculiary cut or marked sabots, or shoes.

Insecta (n. pl.) One of the classes of Arthropoda, including those that have one pair of antennae, three pairs of mouth organs, and breathe air by means of tracheae, opening by spiracles along the sides of the body. In this sense it includes the Hexapoda, or six-legged insects and the Myriapoda, with numerous legs. See Insect, n.

Insectivora (n. pl.) An order of mammals which feed principally upon insects.

Insectivora (n. pl.) A division of the Cheiroptera, including the common or insect-eating bats.

Insessores (n. pl.) An order of birds, formerly established to include the perching birds, but now generally regarded as an artificial group.

Insignia (n. pl.) Distinguishing marks of authority, office, or honor; badges; tokens; decorations; as, the insignia of royalty or of an order.

Insignia (n. pl.) Typical and characteristic marks or signs, by which anything is known or distinguished; as, the insignia of a trade.

Intermediae (n. pl.) The middle pair of tail feathers, or middle rectrices.

Interscapulars (n. pl.) The interscapular feathers of a bird.

Intransigentes (n. pl.) The extreme radicals; the party of the irreconcilables.

Invertebrata (n. pl.) A comprehensive division of the animal kingdom, including all except the Vertebrata.

Iowas (n. pl.) A tribe of Indians which formerly occupied the region now included in the State of Iowa.

Isopleura (n. pl.) A subclass of Gastropoda, in which the body is symmetrical, the right and left sides being equal.

Isopoda (n. pl.) An order of sessile-eyed Crustacea, usually having seven pairs of legs, which are all similar in structure.

Isospondyli (n. pl.) An extensive order of fishes, including the salmons, herrings, and many allied forms.





About the author

Mark McCracken

Author: Mark McCracken is a corporate trainer and author living in Higashi Osaka, Japan. He is the author of thousands of online articles as well as the Business English textbook, "25 Business Skills in English".

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