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ired learning or of speculation." -- Moral sense. See under Moral, (a). -- The inner, or internal, sense, capacity of the mind to be aware of its own states; consciousness; reflection. "This source of ideas every man has wholly in himself, and though it be not sense, as having nothing to do with external objects, yet…

, crustaceans, and some other invertebrates. In some mollusks, as the cuttlefishes, it is internal, or concealed by the mantle. Also, the hard covering of some vertebrates, as the armadillo, the tortoise, and the like.

An outward mark by which internal characteristics were supposed to be indicated. Some plants bear a very evident signature of their nature and use. Dr. H. More.

The muffler of an internal-combustion engine.

An induction coil, esp. of an internal-combustion engine, wireless telegraph apparatus, etc.

In internal-combustion engines with electric ignition, a plug, screwed into the cylinder head, having through it an insulated wire which is connected with the induction coil or magneto circuit on the outside, and forms, with another terminal on the base of the plug, a spark gap inside the cylinder.

A genus of cephalopods having a multilocular, internal, siphunculated shell in the form of a flat spiral, the coils of which are not in contact.

Proceding from natural feeling, temperament, or disposition, or from a native internal proneness, readiness, or tendency, without constraint; as, a spontaneous gift or proportion.

ms. The sporocyst generally develops from an egg, but in its turn produces other larvæ by internal budding, or by the subdivision of a part or all of its contents into a number of minute germs. See Redia.

One of a peculiar kind of internal buds, or germs, produced in the interior of certain Bryozoa and sponges, especially in the fresh- water species; -- also called winter buds.

effect. -- To strike in. (a) To enter suddenly. (b) To disappear from the surface, with internal effects, as an eruptive disease. (c) To come in suddenly; to interpose; to interrupt. "I proposed the embassy of Constantinople for Mr. Henshaw, but my Lord Winchelsea struck in." Evelyn. (d) To join in after another has…

cially, a fine plaster, composed of lime or gypsum with sand and pounded marble, used for internal decorations and fine work.

), an operation performed without opening that part of the skin opposite to, or over, the internal section.

ction from the outward or material excessively occupied with, or brooding over, one's own internal states.

Conscience viewed as the internal repository of the laws of duty. Whewell.

e young aquatic larva of any amphibian. In this stage it breathes by means of external or internal gills, is at first destitute of legs, and has a finlike tail. Called also polliwig, polliwog, porwiggle, or purwiggy.

One of the radial partitions which separate the internal cavities of certain medusæ.

A tool for forming an internal screw, as in a nut, consisting of a hardened steel male screw grooved longitudinally so as to have cutting edges. On tap. (a) Ready to be drawn; as, ale on tap. (b) Broached, or furnished with a tap; as, a barrel on tap. -- Plug tap (Mech.), a screw-cutting tap with a slightly tapering e…

rtaining to covering; -- applied to a membrane immediately over the organ of Corti in the internal ear.

Internal constitution; state with respect to the relative proportion of different qualities, or constituent parts. The common law . . . has reduced the kingdom to its just state and temperament. Sir M. Hale.