Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of cavities is as below...

Cyst :: Cyst (n.) A pouch or sac without opening, usually membranous and containing morbid matter, which is accidentally developed in one of the natural cavities or in the substance of an organ..

Infiltration :: Infiltration (n.) The substance which has entered the pores or cavities of a body.

Amygdaloid :: Amygdaloid (n.) A variety of trap or basaltic rock, containing small cavities, occupied, wholly or in part, by nodules or geodes of different minerals, esp. agates, quartz, calcite, and the zeolites. When the imbedded minerals are detached or removed by decomposition, it is porous, like lava..

Spongy :: Spongy (a.) Soft, and full of cavities; of an open, loose, pliable texture; as, a spongy excrescence; spongy earth; spongy cake; spongy bones..

Quadrilocular :: Quadrilocular (a.) Having four cells, or cavities; as, a quadrilocular heart..

Trilocular :: Trilocular (a.) Having three cells or cavities; as, a trilocular capsule; a trilocular heart..

Guhr :: Guhr (n.) A loose, earthy deposit from water, found in the cavities or clefts of rocks, mostly white, but sometimes red or yellow, from a mixture of clay or ocher..

Nautilus :: Nautilus (n.) The only existing genus of tetrabranchiate cephalopods. About four species are found living in the tropical Pacific, but many other species are found fossil. The shell is spiral, symmetrical, and chambered, or divided into several cavities by simple curved partitions, which are traversed and connected together by a continuous and nearly central tube or siphuncle. See Tetrabranchiata..

Segregation :: Segregation (n.) Separation from a mass, and gathering about centers or into cavities at hand through cohesive attraction or the crystallizing process..

Endosteum :: Endosteum (n.) The layer of vascular connective tissue lining the medullary cavities of bone.

Cavernulous :: Cavernulous (a.) Full of little cavities; as, cavernulous metal..

Marsipobranchia :: Marsipobranchia (n. pl.) A class of Vertebrata, lower than fishes, characterized by their purselike gill cavities, cartilaginous skeletons, absence of limbs, and a suckerlike mouth destitute of jaws. It includes the lampreys and hagfishes. See Cyclostoma, and Lamprey. Called also Marsipobranchiata, and Marsipobranchii..

Nares :: Nares (n. pl.) The nostrils or nasal openings, -- the anterior nares being the external or proper nostrils, and the posterior nares, the openings of the nasal cavities into the mouth or pharynx..

Mucus :: Mucus (n.) A viscid fluid secreted by mucous membranes, which it serves to moisten and protect. It covers the lining membranes of all the cavities which open externally, such as those of the mouth, nose, lungs, intestinal canal, urinary passages, etc..

Epithelium :: Epithelium (n.) The superficial layer of cells lining the alimentary canal and all its appendages, all glands and their ducts, blood vessels and lymphatics, serous cavities, etc. It often includes the epidermis (i. e., keratin-producing epithelial cells), and it is sometimes restricted to the alimentary canal, the glands and their appendages, -- the term endothelium being applied to the lining membrane of the blood vessels, lymphatics, and serous cavities..

Trematodea :: Trematodea (n. pl.) An extensive order of parasitic worms. They are found in the internal cavities of animals belonging to all classes. Many species are found, also, on the gills and skin of fishes. A few species are parasitic on man, and some, of which the fluke is the most important, are injurious parasites of domestic animals. The trematodes usually have a flattened body covered with a chitinous skin, and are furnished with two or more suckers for adhesion. Most of the species are hermaphrodi

Pneumaticity :: Pneumaticity (n.) The state of being pneumatic, or of having a cavity or cavities filled with air; as, the pneumaticity of the bones of birds..

Endothelium :: Endothelium (n.) The thin epithelium lining the blood vessels, lymphatics, and serous cavities. See Epithelium..

Pneumatical :: Pneumatical (a.) Fitted to contain air; Having cavities filled with air; as, pneumatic cells; pneumatic bones..

Multicavous :: Multicavous (a.) Having many cavities.

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