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Columella :: Columella (n.) The central pillar or axis of the calicles of certain corals.

Buddle :: Buddle (n.) An apparatus, especially an inclined trough or vat, in which stamped ore is concentrated by subjecting it to the action of running water so as to wash out the lighter and less valuable portions..

Koklass :: Koklass (n.) Any pheasant of the genus Pucrasia. The birds of this genus inhabit India and China, and are distinguished by having a long central and two lateral crests on the head. Called also pucras..

Umbilical :: Umbilical (n.) Pertaining to the center; central.

Centre :: Centre (v. t.) To place or fix in the center or on a central point.

Cochineal Fig :: Cochineal fig () A plant of Central and Southern America, of the Cactus family, extensively cultivated for the sake of the cochineal insect, which lives on it..

Dove Plant :: Dove plant () A Central American orchid (Peristeria elata), having a flower stem five or six feet high, with numerous globose white fragrant flowers. The column in the center of the flower resembles a dove; -- called also Holy Spirit plant..

Fire Beetle :: Fire beetle () A very brilliantly luminous beetle (Pyrophorus noctilucus), one of the elaters, found in Central and South America; -- called also cucujo. The name is also applied to other species. See Firefly..

Concentrate :: Concentrate (v. t.) To bring to, or direct toward, a common center; to unite more closely; to gather into one body, mass, or force; to fix; as, to concentrate rays of light into a focus; to concentrate the attention..

Entad :: Entad (adv.) Toward the inside or central part; away from the surface; -- opposed to ectad.

Condenser :: Condenser (n.) An instrument for concentrating electricity by the effect of induction between conducting plates separated by a nonconducting plate.

Sicklebill :: Sicklebill (n.) Any one of three species of humming birds of the genus Eutoxeres, native of Central and South America. They have a long and strongly curved bill. Called also the sickle-billed hummer..

Hub :: Hub (n.) The central part, usually cylindrical, of a wheel; the nave. See Illust. of Axle box..

Rhachis :: Rhachis (n.) A central cord of the ovary of nematodes.

Platycoelian :: Platycoelian (a.) Flat at the anterior and concave at the posterior end; -- said of the centra of the vertebrae of some extinct dinouaurs.

Gradate :: Gradate (v. t.) To bring to a certain strength or grade of concentration; as, to gradate a saline solution..

Procoelian :: Procoelian (a.) Concave in front; as, procoelian vertebrae, which have the anterior end of the centra concave and the posterior convex..

Spinetail :: Spinetail (n.) Any one of several species of South American and Central American clamatorial birds belonging to Synallaxis and allied genera of the family Dendrocolaptidae. They are allied to the ovenbirds.

Summer :: Summer (n.) A large stone or beam placed horizontally on columns, piers, posts, or the like, serving for various uses. Specifically: (a) The lintel of a door or window. (b) The commencement of a cross vault. (c) A central floor timber, as a girder, or a piece reaching from a wall to a girder. Called also summertree..

Argas :: Argas (n.) A genus of venomous ticks which attack men and animals. The famous Persian Argas, also called Miana bug, is A. Persicus; that of Central America, called talaje by the natives, is A. Talaje..

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