Definition of external

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External (n.) Something external or without; outward part; that which makes a show, rather than that which is intrinsic; visible form; -- usually in the plural..

Lern More About External

Circumference :: Circumference (n.) The external surface of a sphere, or of any orbicular body..
Traumatism :: Traumatism (n.) A wound or injury directly produced by causes external to the body; also, violence producing a wound or injury; as, rupture of the stomach caused by traumatism..
Significative :: Significative (a.) Betokening or representing by an external sign.
Pharisaical :: Pharisaical (a.) Addicted to external forms and ceremonies; making a show of religion without the spirit of it; ceremonial; formal; hypocritical; self-righteous.
Ecteron :: Ecteron (n.) The external layer of the skin and mucous membranes; epithelium; ecderon.
Concha :: Concha (n.) The external ear; esp. the largest and deepest concavity of the external ear, surrounding the entrance to the auditory canal..
Exterior :: Exterior (n.) Outward or external deportment, form, or ceremony; visible act; as, the exteriors of religion..
Auricle :: Auricle (n.) The chamber, or one of the two chambers, of the heart, by which the blood is received and transmitted to the ventricle or ventricles; -- so called from its resemblance to the auricle or external ear of some quadrupeds. See Heart..
Veratrine :: Veratrine (n.) A poisonous alkaloid obtained from the root hellebore (Veratrum) and from sabadilla seeds as a white crystalline powder, having an acrid, burning taste. It is sometimes used externally, as in ointments, in the local treatment of neuralgia and rheumatism. Called also veratria, and veratrina..
Dermatogen :: Dermatogen (n.) Nascent epidermis, or external cuticle of plants in a forming condition..
Chaser :: Chaser (n.) A tool with several points, used for cutting or finishing screw threads, either external or internal, on work revolving in a lathe..
Water Pore :: Water pore () A pore by which the water tubes of various invertebrates open externally.
Camera Obscura :: Camera obscura () An apparatus in which the image of an external object or objects is, by means of lenses, thrown upon a sensitized plate or surface placed at the back of an extensible darkened box or chamber variously modified; -- commonly called simply the camera..
Nemathecium :: Nemathecium (n.) A peculiar kind of fructification on certain red algae, consisting of an external mass of filaments at length separating into tetraspores..
Turbellaria :: Turbellaria (n. pl.) An extensive group of worms which have the body covered externally with vibrating cilia. It includes the Rhabdoc/la and Dendroc/la. Formerly, the nemerteans were also included in this group..
Shellfish :: Shellfish (n.) Any aquatic animal whose external covering consists of a shell, either testaceous, as in oysters, clams, and other mollusks, or crustaceous, as in lobsters and crabs..
Camera Obscura :: Camera obscura () An apparatus in which the images of external objects, formed by a convex lens or a concave mirror, are thrown on a paper or other white surface placed in the focus of the lens or mirror within a darkened chamber, or box, so that the outlines may be traced..
Intercarotid :: Intercarotid (a.) Situated between the external and internal carotid arteries; as, an intercarotid ganglion..
Cosmothetic :: Cosmothetic (a.) Assuming or positing the actual existence or reality of the physical or external world.
Inmost :: Inmost (a.) Deepest within; farthest from the surface or external part; innermost.
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