Webster's Dictionary, 1913

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Centrifugal filter A filter, as for sugar, in which a cylinder with a porous or foraminous periphery is rapidly rotated so as to drive off liquid by centrifugal action.

Centrifugence noun The property or quality of being centrifugal. R. W. Emerson.

Centring noun See Centring .

Centripetal adjective [ Latin centrum center + petere to move toward.]
1. Tending, or causing, to approach the center.

2. (Botany) (a) Expanding first at the base of the inflorescence, and proceeding in order towards the summit. (b) Having the radicle turned toward the axis of the fruit, as some embryos.

3. Progressing by changes from the exterior of a thing toward its center; as, the centripetal calcification of a bone. R. Owen.

Centripetal force (Mech.) , a force whose direction is towards a center, as in case of a planet revolving round the sun, the center of the system, See Centrifugal force , under Centrifugal . -- Centripetal impression (Physiol.) , an impression (sensory) transmitted by an afferent nerve from the exterior of the body inwards , to the central organ.

Centripetence noun Centripetency.

Centripetency noun Tendency toward the center.

Centriscoid adjective [ New Latin Centriscus (r. Greek ... a kind of fish) + -oid .] (Zoology) Allied to, or resembling, the genus Centriscus , of which the bellows fish is an example.

Centrobaric adjective [ Greek ... a treatise of Archimedes on finding the center of gravity, from ... gravitating toward the center; ... center + ... weight.] Relating to the center of gravity, or to the process of finding it.

Centrobaric method (Math.) , a process invented for the purpose of measuring the area or the volume generated by the rotation of a line or surface about a fixed axis, depending upon the principle that every figure formed by the revolution of a line or surface about such an axis has for measure the product of the line or surface by the length of the path of its center of gravity; -- sometimes called theorem of Pappus , also, incorrectly, Guldinus's properties . See Barycentric calculus , under Calculus .

Centrode noun (Kinematics) In two figures having relative motion, one of the two curves which are the loci of the instantaneous center.

Centroid noun [ Latin centrum + -oid .] The center of mass, inertia, or gravity of a body or system of bodies.

Centrolecithal adjective [ Greek ... center + ... yolk of an egg.] (Biol.) Having the food yolk placed at the center of the ovum, segmentation being either regular or unequal. Balfour.

Centrolinead noun An instrument for drawing lines through a point, or lines converging to a center.

Centrolineal adjective [ Latin centrum + linea line.] Converging to a center; -- applied to lines drawn so as to meet in a point or center.

Centrosome noun [ Greek ... center + -... the body.] (Biol.) 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.

Centrosphere noun [ Greek ... centre + sphere .]
1. (Geol.) The nucleus or central part of the earth, forming most of its mass; -- disting. from lithosphere , hydrosphere , etc.

2. (Biol.) The central mass of an aster from which the rays extend and within which the centrosome lies when present; the attraction sphere. The name has been used both as excluding and including the centrosome, and also to designate a modified mass of protoplasm about a centrosome whether aster rays are developed or not.

Centrostaltic adjective [ Greek ... center + ... checking.] (Physiol.) A term applied to the action of nerve force in the spinal center. Marshall Hall.

Centrum noun ; plural English Centrums , Latin Centra . [ Latin , center.] (Anat.) The body, or axis, of a vertebra. See Vertebra .

Centry noun See Sentry . [ Obsolete] Gray.

Centumvir noun ; plural Centumviri . [ Latin , from centum hundred + Vir man.] (Rom. Hist.) One of a court of about one hundred judges chosen to try civil suits. Under the empire the court was increased to 180, and met usually in four sections.

Centumviral adjective [ Latin centumvitalis .] Of or pertaining to the centumviri, or to a centumvir.

Centumvirate noun [ Confer French centumvirat .] The office of a centumvir, or of the centumviri.

Centuple adjective [ Latin centuplex ; centum + plicare to fold; confer French centuple .] Hundredfold.

Centuple transitive verb To increase a hundredfold.

Centuplicate transitive verb [ imperfect & past participle Centuplicated ; present participle & verbal noun Centuplicating .] [ Latin centuplicare . See Centuple , adjective ] To make a hundredfold; to repeat a hundred times. [ R.] Howell.

Centurial adjective [ Latin See Century .] Of or pertaining to a century; as, a centurial sermon. [ R.]

Centuriate adjective [ Latin centuriatus , past participle of centuriare to divide (men) into centuries.] Pertaining to, or divided into, centuries or hundreds. [ R.] Holland.

Centuriate transitive verb [ See century .] To divide into hundreds. [ Obsolete]

Centuriator, Centurist noun [ Confer French centuriateur .] An historian who distinguishes time by centuries, esp. one of those who wrote the "Magdeburg Centuries." See under Century . [ R.]

Centurion noun [ Latin centurio , from centuria ; confer French centurion . See Century .] (Rom. Hist.) A military officer who commanded a minor division of the Roman army; a captain of a century.

A centurion of the hand called the Italian band.
Acts x. 1.

Century noun ; plural Centuries . [ Latin centuria (in senses 1 & 3), from centum a hundred: confer French centurie . See Cent .]
1. A hundred; as, a century of sonnets; an aggregate of a hundred things. [ Archaic.]

And on it said a century of prayers.
Shak.

2. A period of a hundred years; as, this event took place over two centuries ago.

» Century , in the reckoning of time, although often used in a general way of any series of hundred consecutive years (as, a century of temperance work), usually signifies a division of the Christian era, consisting of a period of one hundred years ending with the hundredth year from which it is named; as, the first century ( a . d . 1-100 inclusive); the seventh century ( a . d . 601- 700); the eighteenth century ( a . d . 1701- 1800). With words or phrases connecting it with some other system of chronology it is used of similar division of those eras; as, the first century of Rome (A.U.C. 1-100).

3. (Rom. Antiq.) (a) A division of the Roman people formed according to their property, for the purpose of voting for civil officers. (b) One of sixty companies into which a legion of the army was divided. It was Commanded by a centurion.

Century plant (Botany) , the Agave Americana , formerly supposed to flower but once in a century; -- hence the name. See Agave . -- The Magdeburg Centuries , an ecclesiastical history of the first thirteen centuries, arranged in thirteen volumes, compiled in the 16th century by Protestant scholars at Magdeburg.

Ceorl (kĕôrl or chẽrl) noun [ Anglo-Saxon See Churl , noun ] (O. Eng. Hist.) A freeman of the lowest class; one not a thane or of the servile classes; a churl.

Cepaceous adjective [ Latin cepa , caepa , onion.] Of the nature of an onion, as in odor; alliaceous.

Cepevorous adjective [ Latin cepa an onion + varare to devour.] Feeding upon onions. [ R.] Sterling.

Cephalad adverb [ Greek kefalh` head + Latin ad toward.] (Zoology) Forwards; towards the head or anterior extremity of the body; opposed to caudad .

Cephalalgia noun [ Latin , from Greek ...; ... head + ... pain.] (Medicine) Headache.

Cephalalgia, Cephalalgy noun [ Latin cephalalgia , Greek ...; ... + ... pain: confer French céphalalgie .] (Medicine) Pain in the head; headache.

Cephalalgic adjective [ Latin cephalalgicus , Greek ....] (Medicine) Relating to, or affected with, headache. -- noun A remedy for the headache.

Cephalanthium noun [ New Latin , from Greek ... + ... flower.] (Botany) Same as Anthodium .

Cephalaspis noun [ New Latin , from Greek kefalh` head + ... a shield.] (Paleon.) A genus of fossil ganoid fishes found in the old red sandstone or Devonian formation. The head is large, and protected by a broad shield-shaped helmet prolonged behind into two lateral points.

Cephalata noun plural [ New Latin , from Greek kefalh` head.] (Zoology) A large division of Mollusca, including all except the bivalves; -- so called because the head is distinctly developed. See Illustration in Appendix.

Cephalate adjective (Zoology) Having a head.

Cephalic adjective [ Latin cephalicus , Greek ..., from kefalh` head: confer French céphalique .] (Anat.) Of or pertaining to the head. See the Note under Anterior .

Cephalic index (Anat.) , the ratio of the breadth of the cranium to the length, which is taken as the standard, and equal to 100; the breadth index. -- Cephalic vein , a large vein running from the back of the head alond the arm; -- so named because the ancients used to open it for disorders of the head. Dunglison.

Cephalic noun A medicine for headache, or other disorder in the head.

Cephalism noun [ Greek ... head.] (Anthropol.) Form or development of the skull; as, the races of man differ greatly in cephalism .

Cephalitis noun [ New Latin , from Greek kefalh` head + -itis .] (Medicine) Same as Phrenitis .

Cephalization noun Domination of the head in animal life as expressed in the physical structure; localization of important organs or parts in or near the head, in animal development. Dana.

Cephalo- [ Greek kefalh` head.] A combining form denoting the head , of the head , connected with the head ; as, cephalo some, cephalo pod.

Cephalocercal adjective [ Cephalo- + Greek ... tail.] (Zoology) Relating to the long axis of the body.

Cephaloid adjective [ Cephalo- + -oid .] Shaped like the head. Craing.