Definition of organ

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Organ (n.) A natural part or structure in an animal or a plant, capable of performing some special action (termed its function), which is essential to the life or well-being of the whole; as, the heart, lungs, etc., are organs of animals; the root, stem, foliage, etc., are organs of plants..

Lern More About Organ

Light :: Light (n.) That agent, force, or action in nature by the operation of which upon the organs of sight, objects are rendered visible or luminous..
Reorganize :: Reorganize (v. t. & i.) To organize again or anew; as, to reorganize a society or an army..
Chylopoetic :: Chylopoetic (a.) Concerned in the formation of chyle; as, the chylopoetic organs..
Excitement :: Excitement (n.) A state of aroused or increased vital activity in an organism, or any of its organs or tissues..
Organotrophic :: Organotrophic (a.) Relating to the creation, organization, and nutrition of living organs or parts..
Pathogene :: Pathogene (n.) One of a class of virulent microorganisms or bacteria found in the tissues and fluids in infectious diseases, and supposed to be the cause of the disease; a pathogenic organism; a pathogenic bacterium; -- opposed to zymogene..
Cenanthy :: Cenanthy (n.) The absence or suppression of the essential organs (stamens and pistil) in a flower.
Colleterium :: Colleterium (n.) An organ of female insects, containing a cement to unite the ejected ova..
Eudipleura :: Eudipleura (n. pl.) The fundamental forms of organic life, that are composed of two equal and symmetrical halves..
Pedal :: Pedal (a.) A lever or key acted on by the foot, as in the pianoforte to raise the dampers, or in the organ to open and close certain pipes; a treadle, as in a lathe or a bicycle..
Base :: Base (n.) The positive, or non-acid component of a salt; a substance which, combined with an acid, neutralizes the latter and forms a salt; -- applied also to the hydroxides of the positive elements or radicals, and to certain organic bodies resembling them in their property of forming salts with acids..
Anteversion :: Anteversion (n.) A displacement of an organ, esp. of the uterus, in such manner that its whole axis is directed further forward than usual..
Oviferous :: Oviferous (a.) Egg-bearing; -- applied particularly to certain receptacles, as in Crustacea, that retain the eggs after they have been excluded from the formative organs, until they are hatched..
Nitrogen :: Nitrogen (n.) A colorless nonmetallic element, tasteless and odorless, comprising four fifths of the atmosphere by volume. It is chemically very inert in the free state, and as such is incapable of supporting life (hence the name azote still used by French chemists); but it forms many important compounds, as ammonia, nitric acid, the cyanides, etc, and is a constituent of all organized living tissues, animal or vegetable. Symbol N. Atomic weight 14. It was formerly regarded as a permanent noncon
Siphonet :: Siphonet (n.) One of the two dorsal tubular organs on the hinder part of the abdomen of aphids. They give exit to the honeydew. See Illust. under Aphis.
Vowel :: Vowel (n.) A vocal, or sometimes a whispered, sound modified by resonance in the oral passage, the peculiar resonance in each case giving to each several vowel its distinctive character or quality as a sound of speech; -- distinguished from a consonant in that the latter, whether made with or without vocality, derives its character in every case from some kind of obstructive action by the mouth organs. Also, a letter or character which represents such a sound. See Guide to Pronunciation, // 5, 1
Seta :: Seta (n.) Any slender, more or less rigid, bristlelike organ or part; as the hairs of a caterpillar, the slender spines of a crustacean, the hairlike processes of a protozoan, the bristles or stiff hairs on the leaves of some plants, or the pedicel of the capsule of a moss..
Protandric :: Protandric (a.) Having male sexual organs while young, and female organs later in life..
Septicaemia :: Septicaemia (n.) A poisoned condition of the blood produced by the absorption into it of septic or putrescent material; blood poisoning. It is marked by chills, fever, prostration, and inflammation of the different serous membranes and of the lungs, kidneys, and other organs..
Frame :: Frame (v. i.) To shape; to arrange, as the organs of speech..
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