Antiperiodic :: Antiperiodic (n.) A remedy possessing the property of preventing the return of periodic paroxysms, or exacerbations, of disease, as in intermittent fevers..
Artiodactyla :: Artiodactyla (n. pl.) One of the divisions of the ungulate animals. The functional toes of the hind foot are even in number, and the third digit of each foot (corresponding to the middle finger in man) is asymmetrical and paired with the fourth digit, as in the hog, the sheep, and the ox; -- opposed to Perissodactyla..
Biodynamics :: Biodynamics (n.) The doctrine of vital forces or energy.
Catskill Period :: Catskill period () The closing subdivision of the Devonian age in America. The rocks of this period are well developed in the Catskill mountains, and extend south and west under the Carboniferous formation. See the Diagram under Geology..
Champlain Period :: Champlain period () A subdivision of the Quaternary age immediately following the Glacial period; -- so named from beds near Lake Champlain.
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..
Chloriodic :: Chloriodic (a.) Compounded of chlorine and iodine; containing chlorine and iodine.
Chloriodine :: Chloriodine (n.) A compound of chlorine and iodine.
Diiodide :: Diiodide (n.) A compound of a binary type containing two atoms of iodine; -- called also biniodide.
Diodon :: Diodon (n.) A genus of spinose, plectognath fishes, having the teeth of each jaw united into a single beaklike plate. They are able to inflate the body by taking in air or water, and, hence, are called globefishes, swellfishes, etc. Called also porcupine fishes, and sea hedgehogs..
Hamilton Period :: Hamilton period () A subdivision of the Devonian system of America; -- so named from Hamilton, Madison Co., New York. It includes the Marcellus, Hamilton, and Genesee epochs or groups. See the Chart of Geology..
Hydriodic :: Hydriodic (a.) Pertaining to, or derived from, hydrogen and iodine; -- said of an acid produced by the combination of these elements..
Hydriodide :: Hydriodide (n.) A compound of hydriodic acid with a base; -- distinguished from an iodide, in which only the iodine combines with the base..