core 
with other ingredients I" give strength and porosity, Rnil 
art- usiiall> hakeil before ln-inu' u^eil. (/) In If/iff., 
the central cord of insulated conducting wires 
in a submarine or subterranean cable. (/) 
The iron nucleus of an electromagnet, (g) In 
ri>li<--iHiil,-iii<i. a central strand around which 
other strands arc twisted, as in a wire rope or a 
cable, (Ii) \nliyilniul. oi;/in., an impervious wall 
or structure, as of concrete, in an embankment 
or dike of porous material, to prevent the pas- 
sage of water by percolation, (i) The cylin- 
drical piece of rock obtained in boring by means 
of t he diamond drill or any other boring-machine 
which makes an annular cut. Also called car- 
rot, (j) The bony central part of the horn of 
a rumiuant ; a horn-core, or process of the fron- 
tal bone. 
The sheathing of the fora In the Kovidic, and nakedness 
in tlic Ccrvidre, ... is in curious relation to their habitat 
and t<i their habits. 
K. I). Cope, Origin of the Fittest, p. 200. 
(it) In prehistoric archatol., a piece of flint, ob- 
sidian, or similar material, from which knives 
and other stone implements have been chipped. 
3f. The center or innermost part of any open 
space. 
In the core at the square she raised a tower of a furlong 
liigh. /;.//. i;/A, Hist. World. 
4. A disorder in sheep caused by worms in the 
liver. 5. An internal induration in the udder 
of a cow. [Local, U. S.] 
A cow won't kick when she is milked unless she has 
cither core in her dugs or chopped tits, and is handled 
roughly. S. Judd, Margaret, ii. 7. 
False core, in braxg-foundinff, a loose piece of the mold : 
called liy iron founders a drawback. Loam-and-sand 
Core, in tiit'litl-i-<i*t!i/<i, A core made of sharp dry sand, 
loam, and horse-manure, the loam lieing used to render the 
1 1 impoundstrong ami adhesive. -Resin core, in/otMldmj/, 
a dry-sand core containing resin, which is occasionally 
added to give increased tenacity. 
core 1 (kor), t>. t. ; pret. and pp. cored, ppr. coring. 
[< core 1 , n,] 1. To make, mold, or cast on a 
core. 
This iron (hard iron] cannot be drilled, or chipped, or 
filed, and the holt-holm must 1)6 cored. 
Sci. Amer., July 19, 1884. 
2. To remove the core of, as of an apple or 
other fruit. 3. To roll in salt and prepare for 
drying: applied to herrings. 
core- (kor), . [A dial, (unassibilated) form of 
chore 1 = char 1 , a job: see char*, chore 1 .'] In 
miiiimj. the number of hours, generally from 
six to eight, during which each party of miners 
works before being relieved. The miner's day 
is thus usually divided into three or four cores or 
shifts. 
core :! t (kor), ii. [Also cor; a more phonetic 
spelling of corps*, < P. corps, a body : see corps.] 
1. A body. 2. A body of persons ; a party; a 
crow ; a corps. Bacon. 
He left the cor. 
And never fac'd the fleld. 
Battle of Tranmt-Mmr (Child's Ballads, VII. 172). 
There was ae winsome wench and Valie, 
That night enlisted in the rare. 
Burn*, Tarn o' Shanter. 
core H, COrenH, pp. [ME. : see chosen.'} Chosen ; 
directed. 
In a blessud tyin then was I bore, 
When al my loue to the is enre. 
Holy Koni (E. E. T. 8.), p. 195. 
Corean (k6-re'an) ; a. and . [< Corea or Korea, 
Latinized from hao-li (pron. Tcou'le'), the Chi- 
nese name of the country.] I. a. Pertaining or 
relating to Corea or its inhabitants Corean 
pottery, a name given by collectors to a pottery of me- 
dium hardness, having a cloudy white surface, coarsely 
painted with geometrical and conventional patterns in 
black, dark red. etc. The products of Corea not being 
perfectly known, many varieties of ceramic ware have been 
improperly called by this name. The art has greatly de- 
teriorated, the earlier examples showing very characteris- 
tic and effective natalities, especially in the treatment of 
color, ami att'onliim models much esteemed by the pot- 
ters of Japan and China. 
II. H. 1. A native or an inhabitant of Corea, 
a peninsular kingdom situated northeast of 
China, to which it is tributary. 2. The lan- 
guage of Corea. 
Also Korean. 
core-barrel (kor'bar'el), . In gun-construc- 
IIIIH, n long cylindrical tube of cast- or wrought- 
iron closed at the lower end, used in cooling 
cast K'lus from the interior. The exterior is fluted 
toofttadlnally for the escape of gas, steam, etc. When 
1'ivpare.l lor use the exterior is covered witli a closely 
eoileil layer of small rope, over which is placed an adher- 
ent layer of moliliniM-oinposition, thorouirldy dried. A 
^a> pipe, in>iTtr.l through tile rap at ttir top ami extend 
iii 1 ^ nearh to tin- bottom, allows the in'lux of tile water 
for coolinw. and a short pipe extrnitmi: a little ili-tanee 
through tlic cap furnishes an exit for the heated water. 
80 
1265 
In casting, the axis of the core-barrel is coincident with 
I hat of tile Klin. 
core-box (kor'boks), . The box in which the 
core, or mass of sand producing any hollow pan 
in a casting, is made; specifically, a hollow me- 
tallic model cut symmetrically in halves, em- 
ployed to give the proper form to the exterior 
surface of the cores used in the fabrication of 
hollow projectiles. 
coreciprocal (ko-re-sip'ro-kal), a. lieciprocal 
one to another. Coreciprocal screw, one of a set 
of six screws such that a wrench about any one tends to 
produce no twist round any of the others. 
coreclisis (kor-e-kli'sis), n. [NL., less prop. 
corecldsig, < Gr. n6pri, the pupil of the eye, + 
idciotc, closing, < x/Ui'eiv, close : see cloac*, .] In 
surg., the obliteration of the pupil of the eye. 
Also rnrni-Hxi.i. 
corectasis (ko-rek'ta-sis), n. [NL., < Gr. x6pr/, 
the pupil of the eyej + luraaif, extension : see 
ectasis.] Dilatation of the pupil of the eye. 
Jhmglison. 
corectome (ko-rek'tom), n. [< Gr. n6pti, the pu- 
pil, + eKTopo^, verbal adj. of enTt/n>cti>, cut out, < 
CK, out, of, + rr/ivctv, ra/ielv, cut.] A surgical 
instrument used in cutting through the ins to 
make an artificial pupil ; an iridectome. 
corectomia (kor -ok -to 'mi -a), 11. [NL., as 
corectome, q. v. Cf. anatomy. J In surg., iridec- 
tomy. 
corectomy (ko-rek'to-mi), n. Same as corec- 
tontiti. 
corectopia (kor-ek-to'pi-S), >i. [NL., < Gr. n6p>t, 
the pupil, + JKTOTTOC, out "of place, < ff, out, + 
rovof, place: see topic.] An eccentric position 
of the pupil in the iris. 
coredialysis (kor'e-di-al'i-sis), . [NL., irreg. 
< Gr. topi/, the pupil, + ttdhvatf, separation: see 
dialysis.'] Separation of the iris from the cili- 
ary body of the eye. 
co-regent (ko-re'jent), ii. [< co- 1 + regent.] A 
joint regent or ruler. 
The co-re.yent ventured to rebuke their haughty part- 
ner, and assert their own dignity. 
I'rtocott, Ferd. and Isa., ii. 25. 
Ptolemy IX. . . . was co-regent with his father .c. 121- 
117. B. V. Head, Hlstoria Numorum, p. 717. 
Coregonidae (kor-e-gon'i-de), n. pi. [NL. , 'o- 
regomts + -ida:] The whitefishes, t'oregoninu; 
classed as a family of malacopterygiau or iso- 
spondylous fishes. 
Coregoninse (kor'e-go-ni'ne), n. pi. [NL., < Cn- 
regonus + -ina;.] A subfamily of Salmonida; 
with the mouth small, jaws toothless or with 
only small teeth, the scales of the body rather 
large, and the color plain : commonly called in 
the United States whitefish. In Great Britain spe- 
cies of Coreiioniiws are called vmdaa, irun/niad, pollan, and 
fresh-water herring. Nearly all are generally referred to 
one genus, Coregontis. See cut under whitefah. 
coregonine (ko-reg'o-nin), a. and . I. a. Per- 
taining to or having the characters of the Core- 
gonina; or whitefish. 
II. i. A fish of the subfamily Coregonina- ; 
a whitefish. 
Coregonus (ko-reg'o-nus), n. [NL., of uncer- 
tain lormation. ] Th'e typical and leading genus 
of the subfamily Coregonimv, characterized by 
a small mouth, large scales, and very weak 
dentition, the teeth being reduced to a mere 
roughness or wanting entirely. The species reach 
a length of one or two feet or more. They inhabit clear 
lakes, rarely entering streams except to spawn, and hence 
are locally restricted to the lake-systems of the various 
countries they inhabit. Of American species C. clujtei- 
/"riiifx, the common whitefish, is the largest, and the 
finest as a food-fish. C. iriUuiitMont is the Rocky Moun- 
tain whiteflsh. C. quadrilatcralis, the Menomonee white- 
fish, is also called ]ttlot-flth, round-fish, and nhad-irniter. C. 
labradoricu* is the Mu'squaw river whitefish or lake-whit- 
ing. C. artfdii and C. Am/i are kuown as ciscoes or lake- 
herring. (See cisco.) C. nvrripinni* is the bhiefin of Lake 
Michigan. C. tullibee is the mongrel whiteflsh. Otteao 
bass is an established misnomer of the common whitetlsn. 
See cut under whitefish. 
Coreidae (ko-re'i-de), n. pi. [NL., < Coreus + 
-ida:.] A family of heteropterons insects, of 
the group Geocores or land-bugs, remarkable 
for their size and grotesque shapes, and abound- 
ing chiefly in tropical regions. Their technical 
characters are 4-jointed antenna!, a small triangular scu- 
tellnni. and numerous hemelytral nervures. Diactor 
(Ani#o*celui) bilintatus of Brazil has singular foliaceous 
appendages of the posterior tibial joints. The species of 
temperate regions are comparatively small and Inconspic- 
uous. The Coreida! are divided into 6 subfamilies. A 111*11- 
sceliiut, Coreincc, Ditcogattrarina, Alydiiur, Lrptocariri- 
ntt; and Psetidophlcritur. Also Coreoda, Coreode*. 
Coreinae (kor-e-i'iie), . pi. [NL., < Coreux + 
-inn:] The typical sulifuinily of Coreidee, con- 
taining sucli forms as the common squash-bug, 
Anasa tristis. See cut under aquti.ih-bug. 
core-piece 
CO-relation (ko-re-la'shon), ii. [<<-! + ;././ 
linn, i'f.ciii-i-ilni'ion.] Corresponding relation. 
See fiirn-liiiiiiii. [Kare.] 
co-relative (ko-ref'a-tiv), a. [< co- 1 + rri> 
Cf. corn In/in . ) Having a corresponding rela- 
tion. See rum lulu-,. [Kare.] 
co-relatively (ko-rel'a-tiv-li), nrfc. In con- 
nection; in simultaneous relation. [Rare.] 
What ought to take plan , .r,'lnih; /,/ with their [the 
stilden: ra practice, the formation of their taste 
by tlie accurate study of the models from which they 
draw. Jtunkin, Lectures on Art, 1 166. 
coreless (kor'les), a. [< core 1 + -less.] Wanting 
a core; without pith; hence, poetically, weak; 
without vigor. 
I am gone In yean, my liege, am very old, 
Coreleu and sapless. 
Sir II. Tai/liir, Isaac Comnenus, II. 1. 
core-lifter (kor'lif'ter), . Adovice for raising 
the core left by a diamond drill in a boring, 
coreligionist (ko-re-lij'on-ist), 11. [< co- 1 + 
religion + -ist.] 'One of the same religion 
as another; one belonging to the same church 
or the same branch of the church. Also corre- 
ligionist. 
In that event the various religious persuasions would 
strain every effort to secure an election to the council of 
their co-reliffienitt*. Sir W. Hamilton. 
His [Samuel Morley's] cn-reliflumi*t* . . . form an Im- 
portant element of the Liltcral party. 
R. J. //intutt, Eng. Radical Leaders, p. 182. 
corolla (ko-rel'ii), n. [NL., dim. of corn, < Gr. 
KApri, girl, pupil, doll.] A parrot of the genus 
Xymphifus. The 
Australian corella, 
N. novtx-httllan- 
due, is alfout 12 
inches long, with 
a pointed crest 
somewhat like a 
cockatoo's, long- 
exserted middle 
tail-feathers, and 
dark plumage with 
white wing-cov- 
erte, yellow crest, 
and orange auricu- 
lars. 
corelysis (ko- 
rel'i-sis), w. 
[NL., irreg. < 
Or. anpr/, the pu- 
pil,-!- ?f'<7/f, sep- 
aration, < Mecv, 
loosen, sepa- 
rate.] In surg., 
Ilio r,T. ti'rT> n Australian Corell 
tne Operation 
of breaking up 
adhesions between the edge of the pupil and 
the capsule of the lens of the eye. 
coremorphosis (kor-e-mor'fo-sis), 11. [NL., < 
Gr. nupji, pupil, T fioi^xMn; formation, < poptyow, 
form, < ftop^i/, a form.] In surg., an operation 
for forming an artificial pupil; iridectomy. 
coren't, pp. See core*. 
coren' 2 t, An obsolete form of currant'*. 
corenclisis (kor-en-kli'sis), . [NL., less prop. 
corenclcisis, < Gr. (to/w?, the pupil, + FV, in, + (t/tfi- 
ni$, closing, < n)jitiv, close : see close^, r.] In 
stirg., an operation for forming an artificial pu- 
pil by drawing a portion of the iris fhrough an 
incision in the cornea and cutting it off. 
Coreoda, Coreodes (ko-re'6-da, -dez), n. pi. 
[NL.] Same as Coreida: 
coreoid (kor'e-oid), . Kesembling or related 
to the Coreida;; of or pertaining to the Coreoi- 
dea. 
Coreoidea (kor-e-oi'de-a), n. pi. [NL., < Coreus 
+ -oide<t. ] A superfamily or series of heterop- 
terous insects, corresponding to the family Co- 
reida; in the widest sense. As used by stAl, rhler, 
and other systematists, the term covers the families 0- 
reidtc, Benftidtf, Lyyceitlce, Fyrrhocoridce, Capgidft, Acan- 
thiida, Tinffitiaa; Aradidtr, and I'hymatidtr, each of 
which is itsrlf sulxlivided into several subfamilies. 
Coreopsis (ko-re-op'sis), . [NL., < Gr. icopif 
(topi-, icopr-), a bedbug, + o^iif, resemblance: in 
allusion to the form of the seed, which has two 
little horns at the end, giving it the appearance 
of an insect.] A genus of plants, of the natural 
order Compositor. Most of the species arc herlroceous 
pi-vfiiniaK with opposite leaves and yellow or |tarty-col- 
ored rays. The fruit is an achene, flat on one side and 
convex on the other, slightly winged, and usually has two 
or three awns, but often none. The genus is closely re- 
lated to BiJrns, which differs from it in having the achene 
always awned and the awns barbed. There are over 50 
sjiecics, mostly of the I'nited States and Mexico, with some 
in the Andes. South Africa, and the Sandwich islands. 
Several of the American ,-peeies are in common cultivation 
for their ibowy, tuutdsoUM flowers. 
core-piece (kor'pes), . In rap+maUitg, a yarn 
run through the center of a rope to render it 
solid ; a core ; a heart. 
