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A weapon or implement of stone or metal, found in the tumuli, or barrows, of the early Celtic nations.

A supposed new element of the rare-earth group, accompanying lutecium and scandium in the gadolinite earths. Symbol, Ct (no period).

A peculiar rounded body lying near the nucleus of a cell. It is regarded as the dynamic element by means of which the machinery of cell division is organized.

A rare metallic element, occurring in the minerals cerite, allanite, monazite, etc. Symbol Ce. Atomic weight 141.5. It resembles iron in color and luster, but is soft, and both malleable and ductile. It tarnishes readily in the air.

le for uniting lengths of chain, or connecting a chain with an object. (b) (Railroad) Supplementary coupling together of cars with a chain. -- Chain gang, a gang of convicts chained together. -- Chain hook (Naut.), a hook, used for dragging cables about the deck. -- Chain mail, flexible, defensive armor of hammered…

Finely prepared chalk, used as a drawing implement; also, by extension, a compound, as of clay and black lead, or the like, used in the same manner. See Crayon. Black chalk, a mineral of a bluish color, of a slaty texture, and soiling the fingers when handled; a variety of argillaceous slate. -- By a long chalk, by a…

under the arm without injury. Such hats were particularly worn on dress occasions by gentlemen in the 18th century. A chapeau bras is now worn in the United States army by general and staff officers.

A distinguishing trait, quality, or property; an element of character; that which characterized. Pope. The characteristics of a true critic. Johnson.

Finely prepared charcoal in small sticks, used as a drawing implement. Animal charcoal, a fine charcoal prepared by calcining bones in a closed vessel; -- used as a filtering agent in sugar refining, and as an absorbent and disinfectant. -- Charcoal blacks, the black pigment, consisting of burnt ivory, bone, cock, pea…

The force exerted between the atoms of elementary substance whereby they unite to form chemical compounds; chemical attaction; affinity; -- sometimes used as a general expression for chemical activity or relationship.

ing to, or obtained from, chlorine; -- said of those compounds of chlorine in which this element has a valence of five, or the next to its highest; as, chloric acid, HClO3. Chloric ether (Chem.), ethylene dichloride. See Dutch liquid, under Dutch.

A binary compound of chlorine with another element or radical; as, chloride of sodium (common salt). Chloride of ammonium, sal ammoniac. -- Chloride of lime, bleaching powder; a grayish white substance, CaOClcalcium hypochlorite. See Hypochlorous acid, under Hypochlorous. -- Mercuric chloride, corrosive sublimate.…

One of the elementary substances, commonly isolated as a greenish yellow gas, two and one half times as heavy as air, of an intensely disagreeable suffocating odor, and exceedingly poisonous. It is abundant in nature, the most important compound being common salt. It is powerful oxidizing, bleaching, and disinfecting a…

ning to, or derived from, chlorine; -- said of those compounds of chlorine in which this element has a valence of three, the next lower than in chloric compounds; as, chlorous acid, HClO2.

A comparatively rare element occurring most abundantly in the mineral chromite. Atomic weight 52.5. Symbol Cr. When isolated it is a hard, brittle, grayish white metal, fusible with difficulty. Its chief commercial importance is for its compounds, as potassium chromate, lead chromate, etc., which are brilliantly colore…

Of, pertaining to, or derived from, chromium, when this element has a valence lower than that in chromic compounds. Chromous acid, a bluish gray powder, CrO.OH, of weak acid properties and regard as an acid.

s electrical communication between the two poles of a battery; an arrangement of voltaic elements or couples with proper conductors, by which a continuous current of electricity is established.

od-vascular system, by which it is brought into close relations with almost every living elementary constituent. Also, the movement of the sap in the vessels and tissues of plants.

Earth in general, as representing the elementary particles of the human body; hence, the human body as formed from such particles. I also am formed out of the clay. Job xxxiii. 6. The earth is covered thick with other clay, Which her own clay shall cover. Byron. Bowlder clay. See under Bowlder. -- Brick clay, the comm…

Free from moral defilement; sinless; pure. Create in me a clean heart, O God. Ps. li. 10 That I am whole, and clean, and meet for Heaven Tennyson.