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 extern is as below...

Ectethmoid :: Ectethmoid (a.) External to the ethmoid; prefrontal.

Outward :: Outward (a.) Forming the superficial part; external; exterior; -- opposed to inward; as, an outward garment or layer..

Illusion :: Illusion (n.) A sensation originated by some external object, but so modified as in any way to lead to an erroneous perception; as when the rolling of a wagon is mistaken for thunder..

Bound :: Bound (n.) The external or limiting line, either real or imaginary, of any object or space; that which limits or restrains, or within which something is limited or restrained; limit; confine; extent; boundary..

Angulometer :: Angulometer (n.) An instrument for measuring external angles.

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..

Ear :: Ear (n.) The organ of hearing; the external ear.

Meatus :: Meatus (n. sing. & pl.) A natural passage or canal; as, the external auditory meatus. See Illust. of Ear..

Spiracle :: Spiracle (n.) One of the external openings communicating with the air tubes or tracheae of insects, myriapods, and arachnids. They are variable in number, and are usually situated on the sides of the thorax and abdomen, a pair to a segment. These openings are usually elliptical, and capable of being closed. See Illust. under Coleoptera..

Exterior :: Exterior (a.) External; on the outside; without the limits of; extrinsic; as, an object exterior to a man, opposed to what is within, or in his mind..

Jugular :: "Jugular (a.) One of the large veins which return the blood from the head to the heart through two chief trunks, an external and an internal, on each side of the neck; -- called also the jugular vein..

Garb :: Garb (n.) External appearance, as expressive of the feelings or character; looks; fashion or manner, as of speech..

Personal :: Personal (a.) Pertaining to the external or bodily appearance; corporeal; as, personal charms..

Rind :: Rind (n.) The external covering or coat, as of flesh, fruit, trees, etc.; skin; hide; bark; peel; shell..

Surface :: Surface (n.) Hence, outward or external appearance..

Stethoscope :: Stethometer (n.) An apparatus for measuring the external movements of a given point of the chest wall, during respiration; -- also called thoracometer..

Surroyal :: Surrounding (n.) The things which surround or environ; external or attending circumstances or conditions.

Effloresce :: Effloresce (v. i.) To become covered with a whitish crust or light crystallization, from a slow chemical change between some of the ingredients of the matter covered and an acid proceeding commonly from an external source; as, the walls of limestone caverns sometimes effloresce with nitrate of calcium in consequence of the action in consequence of nitric acid formed in the atmosphere..

Scioptics :: Scioptics (n.) The art or process of exhibiting luminous images, especially those of external objects, in a darkened room, by arrangements of lenses or mirrors..

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..

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