polyarchy 
4000 
Yet he (Aristotle) absolutely denied iroAi^rnpai-ttjr, and 
woAirnpxiar, a polyarrhy or mundane :uist<>rr:iry . that 
is, a mull ijilirity i>f ilrftt principles and independent dei- 
IK-K CudlCTirWi, Intellectual System. 11. 83. 
polyarsenite (pol-i-ar'se-nit), . 
many, + E. arsen(ic) + -Me 2 .] 
same as s,n-iiuit, . 
[< Gr. , 
In mineral., 
.of nu<li branch! ate gastropods, 
having lamellar or plumose gills on the upper 
surface of the mantle, and containing the fami- 
lies Tritoniitrfse, ffcyllfeitlif, and Tethyadte. 2. 
In latersystems, a suborder or superfamily com- 
prising the same forms, but subdivided among 
, numerous families: same as Polybraiichiata, 1. 
s j^^^^o p ^ fiSSa.BLap 15 *^ and - 
involving a number of joints. Polvbranchiata .Dol-i-branjr ki a'tin n nl 
polyarthrous (pol-i-ar'thrus), a. [< Gr. Troths, -"' 
many, + apf>i>or, a joint.] Having many joints 
or jointed parts ; multiarticulate. 
polyarticular (pol"i-ar-tik'u-lar), a. [< Gr. 
jro/if, many, + L. articuliis, a joint: see articu- 
lar.] Pertaining to a number of joints: as, 
polyarticular rheumatism. 
polyatomic (pol' i-a-tom'ik), a. [= F. polya- 
hunique; < Gr. iro/.vc, many, + &TO/IOV, atom: 
see atom, atomic.] In chem., noting elements cephalophora monoica symmetrica, composed of 
or radicals which have an equivalency greater the two families Tetracerata and Dicerata. 
than two; also, noting compounds having three polybranchiate (pol-i-brang'ki-at), a. [<NL. 
or more hydroxyl groups, in which hydrogen is polybranchiatug, < Gr. Tro^tf, many, + " 
easily replaceable by other elements or radi- gills.] Same as polybranch. 
perfamily of nudibranchiate gastropods, char- ? , '^"V ' "> ' "." 
acterizedby the development of dorsal gill-like *$*%*& 
polychromatic 
The typical genus of Polyceridee. A true repre- 
sentative species Is P. mtadrilintata of Europe. P. let- 
tnm is a beautiful sea-slug of a pale flesh-color marked 
with green and yellow, found In the North Atlantic ocean, 
referred by some to a distinct genus Polio. 
Polyceridae (pol-i-ser'i-de), n. pi. [NL., < I'nli/- 
cera + -ulir.] A family of phanerobranchiate 
doridoid gastropods having a simple phary ngeal 
bulb, typified by the genus Polycera. The bran- 
chin' art- not retractile, the labial armature is variable, and 
the radula is narrow. The species are numerous, and liave 
been grouped by some under three or more subfamilies, 
elevated by others to family rank. 
appendages variously distributed, but never 
disposed in a rosette round the anus, it com- 
prised numerous species, classified by modern malacolo- 
gists among 12 to IS families. Also called Polytiranchia. 
2. In De Blainville's classification (1825), one 
of five orders of his second section of Para- 
-_ ., n. pi. [NL., neut. pi. 
of polychsetus : see polychsetoug.] An order or 
other group of chtetopodous annelids, having 
the bodj- segmented, the false feet or parapodia 
with many chtetae, setae, or bristles (whence the 
name), and the head tentaculate ; the polychae- 
tous worms. It is a very large group, of numerous fam- 
ilies, Including a majority of the annelids, as all the sed- 
entary or tublcolous and the errant marine worms. It Is 
contrasted with the order Oligochjtla. See cuts under rlii- 
trum, Polunoe, Protula, cerebral, etaphagtal, priritomimn, 
and pyijidium. 
polychaete (pol'i-ket), a. Same a.snolychtetous. 
cals without otherwise changing the structure polycarpellary (pol-i-kar'pe-la-ri), a. [< Gr. polych_etous(pol-i-ke'tus), a. [< fTL'pplychee- 
of the original compound: thus, glycerol is a no'vf , many, + NL. carpelium, 'carpel: see car- '"~ 
polyatomic alcohol. pel, carpelldry.] In hot., composed of two or 
polyautography (pol"i-a-tog'ra-fi), n. [< Gr. many carpels. Compare moiiocarpellary. 
jro/.if, many, + aiirof, self, + -ypaQia, < ypdifietv, polycarpic (pol-i-kar'pik), ... [< polycarp-ous 
write. Cf. autography. ] The act of multiply- + -ic.] In hot., producing fruit many times 
ing copies of one's own handwriting or of man- or indefinitely : applied by I)e Candolle to per- 
uscripts, as by printing from stone: a form of _ennial herbs. Compare monocarpovs (a). 
lithography, 
polyaxial (pol-i-ak'si-al), a. [< Gr. Tro/U'f, many, 
+ L. axis, axis, + -int.] Having several axes, 
polyaxon (pol-i-ak'son), . and . [NL., < Gr. 
' 
tus, < Gr. Ko),vxaiTift, with much hair, < . 
many, -I- ^a<r>;, long hail-, mane: see cliteta.] 
Having numerous chsete, setae, or bristles of 
the parapodia, as an annelid ; belonging to the 
Polyclieeta. See cut under elytrum. 
Forms of Polychxtoui Annelldan larvce which are called 
Telotrocha. Huxley, Anat. Invert,, p. 184. 
Polycarpon(pol-i-kar'pon),. [NL. (Linnaeus, polychoeranyt, n. An erroneous form of poly- 
1737), so called in allusion to the many little caerany. 
fruits (cf. L. polycarpon, < Gr. 7ro/Ua/Diroi>, a polycholia (pol-i-ko'li-a), n. Excessive secre- 
plant, a kind of crataegus), < Troli'KapKof, with tion of bile. 
: , many, + afuv, axis.] I. . Having sev- much fruit, fruitful : see polycarpous.] A ge- polychord (pol'i-kfird), a. and ij. [= Pg. poly 
eral or many (more than six) axes of growth, 
as a sponge-spicule; polyaxial, as the form of 
spicule known as a sterranter. 
II. n. A polyaxial spouge-spicule. 
polybasic(pol-i-ba'sik), a. [= F.polybasique; 
< Gr. woMf, many, + ftdais, base: see 6_we 2 , 
basic.] In chem., capable of combining with 
more than two uuivalent bases: as, polybasic 
acids or radicals. 
polybaskity (pori-ba-sis'i-ti), . [<polybagic 
+ -ity.] The character or property of 'being compacted little whiti 
polybasic. 
chorda ; < Gr. irohvxopfos, many-stringed, < iroXtif, 
many, + xP<ty, string, chord.] I. fl. Having 
many chords or strings. 
II. . A musical instrument invented by F. 
Hillmer in 1799, but never generally used, it 
was shaped like a bass viol with a movable 'fingerboard, 
and had ten gut strings. It was played either with a bow, 
or by the fingers, like a lute. 
capsule. There are 6 species, generally diffused through- polvchorion (pol-i-kd'ri-on), n [< Gr iroMx: 
out temperate and warmer regions. They are slender an- , nf fnv- + von/ mpnibraTiB 1 Tn Tin/ , 
nuals, bearing opposite ovate or oblong flat leaves, dry manv > \*3f u "'.l m 1 el " Dran . 3< J ln <"> POly- 
and thin bracts and stipules and very numerous densely carpous fruit, like that of Hanunculus. Treasury 
"""'- ""Ishflowe ' ' ' ' ' ' 
nus of diffuse polypetalous herbs of the order 
Caryopliyllese, type of the tribe Polycarpex, and 
characterized by the five keeled and entire se- 
pals, the five small entire hyaline petals, the 
three to five stamens, and the one-celled ovary 
with many ovules, crowned with a short three- 
cleft style, and becoming a small three-valved 
polybasite (po-lib'a-sit), n. [= F. polybt 
< Or. ffo/.i'f, many, + [Idaic, base, + -i/e 2 .] 
iron-black ore of silver, consisting of silver, 
sulphur, and antimony, with some copper and 
arsenic. 
Polybia (po-lib'i-ii), w. [NL. (St. Fargean, 1836), 
J Tf , with much life, < 7ro/U>r, much, + 
ers in much-branched cymes. 
', th. " 
of Botav 
<(Jr. 
polycarpous (pol-i-kftr'pus), a. [< Gr. 
napmtf, with much fruit, fruitful, < TO?,I'T, many, n niv r >, n t...n...m 
+ napiros, fruit.] In hot., having a gynoecium P^iycnowm 
composed of two or more distinct ovaries or ' 
carpels. Compare monocarpous, and cuts un- 
der carpel and gynobase. 
(pol-i-kp-ri-on'ik) 
the cf 
[< poly- 
of a 
. i-, , irc, u, . . 
flies, life.] A genus of hymenopterous insects POlycellular (pol-i-sel u-lilr), a. [< Gr. wo/if, 
of the family I'esjwlee, or wasps, resembling man J") + ** fdMa, a cell: see cellular.'] In 
Polistes closely, but differing in the shape of *?* containing or composed of many cells. 
-- ' 
the abdomen. The species are all Central or South 
American except P.kavitanu, which is found in Callfor- 
nia. P. palmarum is tile palm wasp, so called Iwcausu It 
makes its neslg on palms. 
(pol-i-sen trik), . [< Gr. 
many, + Ktvr/xrv, point : see center'-.] Having 
Several Centers or uucleal points. 
.. a- [< 
into more thai 
groups or series ; made or done on the principle 
of polychotomy, as a classification. 
polychotomy (pol-i-kot'o-mi), n. [< Gr. voH- 
Xoof, Tro/ltifoof, manifold, + -ro/..a, (Tipvciv, ra- 
fe~'v, cut.] In zoiil., division of a given group 
of animals into more than two other groups or 
series: correlated with dichotomy. Amer.Nat., 
XXI. 915. 
polychrestt (pol'i-krest), n. [= F. polyclireste, 
nus of the subfamily Polyborinte ; the caracaras 
proper. There are several species, of temperate and 
tropical America, as P. cheriaay, P. auduboni, and P. lu- 
lama. See cut under caracara. 
polybrachia (pol-i-bra'ki-i.), . [NL., < Gr. 
n-o/.i'if, many,-f L. brachium, .properly bracchium, 
the arm: see brachium.] In teratol., the pres- 
ence of supernumerary arms. 
polybrachus (po-lib'ra-kus), . ; pi. polybrachi 
(-M). [NL. : see polybrachia.] In teratol, a 
monster with supernumerary arms. 
r_./il TrV\r*4 r _rli / i i..l ' I 1 __> > i_>1_>\ _ .. . . . 1 
The 
" <* <tf Med. ences, VIII. 518. 
polychroic(pol-i-kro'ik), a. Same as 7 .. f ochroic. 
Optical properties of the polyehmie OMta prent In 
certain mfiierals, by M. A. filchel Wvy. 
vulture-hawks. There is a coracoclavlcular artlcula- terygian fishes, typified by the genus Polycen- polychrestic (pol-i-kres'tik), a. [< wlvchrest-u 
lion, a centric nasal tubercle, an anterior palatal keel, and trns. They have a symmetrical compreswd body with- *+ .,> A,.mittin.r of use in variou^y.. 
a superorbltal shield, In which respect* the Polyboriw re- out lateral line, compressed head with very projectile J 18 ways, 8,8 a 
M_pM< falcons ; but the external aspect Is rather that of laws, a long dorsal and anal tin with many spines and per- dr "S' or '" various connections (as in naming 
vultures. The bill is toothless, and the sternum is single- feet ventrals. The family contains a few South American different things), as a word. 
See cuts under caracara and Ibycter. fresh-water fishes, somewhat related to the centrarcholds polychresty (pol'i-kres-ti), n. [< Gr. ; 
polyborine (pori-bo-rin), a. Of or pertaining "' - N rth Anierlca. In Oiinther's classincatlon It was re- T ' ta ^ g rea t usefulness, < iro^vxpiarif, i 
to the I'olyborinfe. *--' - - --- - A * "- - ^ 
Polyborus' (po-lib'o-rus), n. [NL. (Vieillot, 
1816), < Gr. jroAi;/?(.po_', much-devouring, < ffoAtf, 
much, + flop*, gluttonous.] The typical ge- rolycen[naa: 8O callea rrom ,, many ^^ 
of the anal fin. 
. - - i-i-sef 'a-list), n. [< Gr. ffo?,u- - nature, XII. is. 
PY-r, haying manv heads (see polyctphalous), polychroism (pol'i-kro-izm), . [= F. poly- 
-tst.] One who has or acknowledges many chroixme; <GT.iro7.i' X poo(, many-colored, <*<&&, 
heads or superiors Bp. Gauden, Tears of the many) + xpota co lor.] Same MpkoehraittH. 
(hur,-li p 41 (Davits.) polychroite (pol-i-kro'it), . [=t.plychr<n, r , 
polycephalous (pol-i-sef'a-lus), o. [< Or. W.iv F < </ r . m> K, x ' many-colored (see poluchrni* 
Kttpa/.vs, having many heads, many-headed, < -- /xr 
n-oXiif, many, + KdjxOJ/, head.] In hot., bearing 
or consisting of many heads. 
polybranch d>r'i-brangk), a. and n. [< Gr. Polycera (po-lis'e-rft), w. [NL., <Gr. tro/.i-nepus, ., e.^..,.,. 
-</ ". many, + flpa rx ia, gills. J I. a. Having many-horned, < mMf, many, -t- x/pn f , horn.] polychromatic fpol i-kro-mat'ik), a. [< (ir. 
many ^ills nr inuiu-rous branchiae, as a raollusk N IN, ^ iro/.vxpauaTof, manv-colorcd (si < /nili/rlironn i,+ 
orcruslai-i an ; of or pertaining to the /"o/yiiv/n- >-_^JWi^^ -~^S!Kr'f -ic. Ci.clirntiinlir'] 1. Many-colored: an. ;>/y- 
i-liin or Polybraiicliiata. Also polybranchiate. ^.--__: .--^> O\ - .~ "^5j^ chromatic light. 2. In mineral., exliiliitinn a 
II. . A iKilybranch molluNk or crustacean. x^-j t/Zasm^iz, _r*l; play of colors Polychromatic add. s, ,- i*i,,rhr->. 
Polybranchia (pol-i-brang'ki-tt), n. pi. [NL. : UT ^ ale * : *--. micadd, under ;<wAn/n>. Polychromatic process, 
ni-P plilubrillicli.] 1. In J. E. Ol-av'8 Class! fica- f ^ a CBrl " 1M l'h"l"'Kr:iphn pr..ces invented by Vidal. analo- 
li.m (1821). one of two onlers (the oth-r bring r.,^ H , M ,<~.,.. ^^ mMtM KSJ^SWSSS^SS^^S^SH 
+ -ite 2 .] The coloring matter of saffron: so 
named in consequence of the variety of colors 
which it exhibits when acted upon by various 
reagents. 
