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Substitute :: Substituent (n.) Any atom, group, or radical substituted for another, or entering a molecule in place of some other part which is removed..

Icelandic :: Icelandic (n.) The language of the Icelanders. It is one of the Scandinavian group, and is more nearly allied to the Old Norse than any other language now spoken..

Pupivora :: Pupivora (n. pl.) A group of parasitic Hymenoptera, including the ichneumon flies, which destroy the larvae and pupae of insects..

Phosphorus :: Phosphorus (n.) A poisonous nonmetallic element of the nitrogen group, obtained as a white, or yellowish, translucent waxy substance, having a characteristic disagreeable smell. It is very active chemically, must be preserved under water, and unites with oxygen even at ordinary temperatures, giving a faint glow, -- whence its name. It always occurs compined, usually in phosphates, as in the mineral apatite, in bones, etc. It is used in the composition on the tips of friction matches, and for man

Acaridan :: Acaridan (n.) One of a group of arachnids, including the mites and ticks..

Redwing :: Redwing (n.) A European thrush (Turdus iliacus). Its under wing coverts are orange red. Called also redwinged thrush. (b) A North American passerine bird (Agelarius ph/niceus) of the family Icteridae. The male is black, with a conspicuous patch of bright red, bordered with orange, on each wing. Called also redwinged blackbird, red-winged troupial, marsh blackbird, and swamp blackbird..

Chemung Period :: Chemung period () A subdivision in the upper part of the Devonian system in America, so named from the Chemung River, along which the rocks are well developed. It includes the Portage and Chemung groups or epochs. See the Diagram under Geology..

Chiton :: Chiton (n.) One of a group of gastropod mollusks, with a shell composed of eight movable dorsal plates. See Polyplacophora..

Zinc :: Zinc (n.) An abundant element of the magnesium-cadmium group, extracted principally from the minerals zinc blende, smithsonite, calamine, and franklinite, as an easily fusible bluish white metal, which is malleable, especially when heated. It is not easily oxidized in moist air, and hence is used for sheeting, coating galvanized iron, etc. It is used in making brass, britannia, and other alloys, and is also largely consumed in electric batteries. Symbol Zn. Atomic weight 64.9..

Hives :: Hives (n.) The croup.

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

Phalanx :: Phalanx (n.) A group or bundle of stamens, as in polyadelphous flowers..

Genus :: Genus (n.) An assemblage of species, having so many fundamental points of structure in common, that in the judgment of competent scientists, they may receive a common substantive name. A genus is not necessarily the lowest definable group of species, for it may often be divided into several subgenera. In proportion as its definition is exact, it is natural genus; if its definition can not be made clear, it is more or less an artificial genus..

Ripidolite :: Ripidolite (n.) A translucent mineral of a green color and micaceous structure, belonging to the chlorite group; a hydrous silicate of alumina, magnesia, and iron; -- called also clinochlore..

Representative :: Representative (a.) Serving or fitted to present the full characters of the type of a group; typical; as, a representative genus in a family..

Molecule :: Molecule (n.) A group of atoms so united and combined by chemical affinity that they form a complete, integrated whole, being the smallest portion of any particular compound that can exist in a free state; as, a molecule of water consists of two atoms of hydrogen and one of oxygen. Cf. Atom..

Bench :: Bench (n.) A collection or group of dogs exhibited to the public; -- so named because the animals are usually placed on benches or raised platforms.

Oxamidine :: Oxamidine (n.) One of a series of bases containing the amido and the isonitroso groups united to the same carbon atom.

Dipnoi :: Dipnoi (n. pl.) A group of ganoid fishes, including the living genera Ceratodus and Lepidosiren, which present the closest approximation to the Amphibia. The air bladder acts as a lung, and the nostrils open inside the mouth. See Ceratodus, and Illustration in Appendix..

Sickle :: Sickle (n.) A group of stars in the constellation Leo. See Illust. of Leo.

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