argentometer 
quantity of silver in a solution by the admission 
of chlorid of sodium. 
liy means of an 0*91 ri>nt,'r the strength of the bitth 
ean easily be maintained at a given point. 
8WMT Simlieam, p. 198. 
argentous (iir-jen'tus), a. [< L. ari/i-iitt>.iii.i, < 
in-i/i iitiiin. silver. J Pertaining to or containing 
silver: applied to a compound which contains 
a larger proportion of silver than the corre- 
sponding argentic compound: as, argentoun 
oxiil, Ag.jO; argentic oxid, AggO. 
argentry (iir'joH-tri), M. [< F. argenterie, plate, 
silver plate, Cargmtt. silver: see argent.'] If. 
Articles formed of silver; silver plate. 
I'liwning his . . . ari/rntnj ami ji-wrls. 
llowett, Letters, i. 2. 
2. Silvery appearance. [Rare.] 
And there the glittering nf^fulnj 
Hippies mill jila s on the roiitlueiit streams. 
Southey. 
argentum (ar-jen'tum), . [L. : see argent.] 
Suver. In chem., abbreviated Ag. -Argentum 
mosaicum, an amalgam of tin, bismuth, :inil miTeury. 
used for eoloriiiK images of plaster of Paris. E. II. Kni>ilif. 
Arges (iir'jez), n. [NL., < Gr. apyl/f, bright, 
glancing, dp)6f, bright, white.] 1. A genus 
of South American fishes, typical of the fam- 
ily Argidee. 2. A genus of trilobites. 
arghel, . See arg<-l. 
arghool (fa-gW)> " An Egyptian musical in- 
strument, consisting of two tubes, with a mouth- 
piece furnished with reeds. Sometimes both tubes 
are piereeil with holes, sometimes only one, the other be- 
in- 1 used as a iln.ue. 
argid (iir'jid), n. A fish of the family Argid<e. 
Argidaa (iir'ji-de), n. pi. [NL., < Arges + -ida;.] 
A family of nematognathous fishes, typified by 
the genus Arges. related to the Loricariidte, but 
having a naked body and only maxillary bar- 
bels. There are about 10 known species, of small size, 
inhabiting the upper Andean streams and derivatives 
therefrom. 
argil (ilr'jil), . [< F. argile, < L. argilla, white 
clay, < Gr. apyMa or apyda, usually apyMof or 
apyi'Aof, white clay, < apydf, white: see argent.] 
Potters' clay. This word has been used in different 
senses, and was proposed as a name for alumina when its 
nature was first discovered. It is now used by technical 
writers as a distinctive term for clay which is fit for pot- 
ters' use. 
argillaceous (iir-ji-la'shius), a. [< L. argilla- 
ceus, < argilla, white clay: see argil.] 1. Of 
the nature of or resembling clay. 2. Contain- 
ing a considerable amount of clayey matter: as, 
argillaceous earth. Argillaceous rocks, rocks of 
sedimentary origin, soft in texture, deposited for the most 
part in thin layers. Clay forms the basis, hut with it other 
substances may be associated, as vegetable matter (car- 
bonaceous shale), iron (clayband ironstone), lime (marl), 
etc. When the shale Is tolerably pure it is readily distin- 
guished by the peculiar odor, termed argillaceous, which 
it emits when breathed on. Argillaceous slate or 
schist, clay slate, a metamorphic rock which in Scotland 
is characteristic of the Silurian formation. 
argilliferous (ar-ji-lif 'e-nis), a. [< L. argilla, 
white clay (see argil), + ferre = E. bear 1 .] 
Producing or containing clay or argil. 
argillite (iir'ji-Ut), . [< L. argilla, white clay 
(see argil), + -ite%.] Argillaceous schist or slate; 
chry slate (which see, under clay). 
argillitic (ar-ji-lit'ik), a. [< argillite + -tc.] 
Pertaining to argillite. 
argillo (ar-jil'd), . [< L. argilla, < Gr. apyMjtf, 
wnite clay: see argil.] A name given to a 
vitreous compound of which tiles, table-tops, 
door-knobs, etc., are made. 
argilloarenaceous (ar-jil"6-ar-e-na'shius), a. 
[< argillous + arenaceous.] Consisting of clay 
and sand. 
argillocalcareous (iir-jiHo-kal-ka're-us), a. 
[< argillous + calcareous.'] Consisting of clay 
and calcareous earth. 
argillocalcite (iir-jil-6-kal'sit), n. [< argillous 
+ calotte.] A species of calcareous earth with 
a large proportion of clay ; marl. 
argil lof err Uginous (ar-jil*'o-fe-r6'ji-nus), a. 
[< argillous + ferruginous.] Containing clay 
and iron, as a mineral. 
argilloid (ar-jil'oid), a. [< L. argilla (see argil) 
+ -oid.] Having an argillaceous or clayey ap- 
pearance ; like argil or clay. 
Argillornis (ar-ji-lor'nis), n. [NL., < L. ar- 
gilla, white clay (see argil), + Gr. o/wif, bird.] 
A genus of fossil birds from the London clay of 
Sheppey. A. tongiixnnw (Owen), of uncertain affinities, 
is the typical species. The fossil remains indicate a long- 
winged bird larger than an albatross. R. Owen, 1878. 
argillous (ar-jil'us), a. [<ME. argillous, < OF. 
tirgillttn, nrgillun, mod. F. argilrujc, < L. argil- 
IHXIIX, abounding in clay, < argilla, white clay : 
see argil.] Consisting of or belonging to clay ; 
clayey. 
20 
305 
argint, arginet, . [< It. arginc, perhaps < L. 
ni/i/i ri-in, jii-c. of agger, a mound: see agger.] 
An embankment or rampart in front of a fort. 
.V. /;. It. 
Argina (iir-ji'nil), n.pl. [NL., < Arges + -inn.] 
lu Giinther's ichthyological system, a section 
of the group Hynostoinatina of the family XI/H- 
ridiv : same as the family Argidie. 
Argive (iir'giv), a. and n. [< L. Argirus, < Gr. 
'A/'/" 1 ";, pertaining to "\pyo$, Argos.] I. n. Ke- 
lating to Argos, the historic capital of Argo- 
lis or Arjjeia in Greece, or to its inhabitants, or 
to Argohs, the territory of Argos. The Argivo 
race is represented iu Homer as the most powerful in 
01MOI, an. I h.-nec Aryive is often used as equivalent to 
II. . A native or an inhabitant of Argos 
or of Argolis ; a Greek. 
argle-bargle (iir'gl-bar'gl), . i. (Also argie- 
lnir;/ii; urglr-hiirgin, etc.; a varied reduplica- 
tion of in-gut:] 'To argue obstinately; bandy 
words; haggle. [Scotch..] 
ArgO (iir'go), n. [L., < Gr. 'Apy<i, name of Ja- 
son's ship, lit. the swift ; also a constellation 
named after this ship ; < apyoc, swift, glancing, 
bright, white: see argent.'] 1. In (Ir. ini/tli., 
the name of the ship in which Jason and his 
fifty-four companions sailed to Colchis in quest 
of the golden fleece. 2. An ancient southern 
constellation, the largest in the heavens, it 
. 
argosy 
Hence 2. pi. Those who emigrated to t';ili 
fornia about the time of the discovery of gold 
there: as, the ArgniiaulH of "49. 
Numbers of small parties from iiv-on :irri\eil before 
July (1S4H), but the vast body of nold-seekers known after- 
wards as the Afl'.niliit* dili lint rearh tin- I'ariHr li.: t -t 
until early in 184. C. II- Minn, Miiiina Camps, p. 109. 
Argonaut (Argottauta argv), female. 
3. f /. c.] A cephalopod mollusk, known also 
as the paper-nautilus and fulfil r-Kniti>r. TI. , ,,m- 
raon Mediterranean species, Aryonauta ar</o, was fabled 
to carry its velamentmis arms erect as sails, and thereby 
to lie wafted by the winds. The arms are in fact enm- 
monly carried appressed to the shell, and progression is 
effected chiefly backward, as with other cuttlefishes, by 
the ejection of water through the siphon. 
Argonauta (ar-go-na'ta), n. [L., an Argonaut: 
see Argonaut.] A genus of cephalopods, typi- 
cal of the family Argonautidce. 
Argonautic (ar-go-n4'tik), a. [< L. Argonau- 
ticus, < Argonauta, Argonaut.] Of or pertain- 
ing to the Argonauts, or relating to their voy- 
age to Colchis: as, the Argonautic story. See 
Argonaut. 1. 
argonautid (ar-go-na'tid), n. A eephalopod of 
the family Argon'autida;. 
Argonautidae (ar-go-na'ti-de), n. pi. [NL., < 
Argonauta + -id(e.] A family of octopod cepha- 
The Constellation An^o. 
contains Canopus, after Slrius the brightest of the fixed 
stars. By modern astronomers it is commonly divided 
into four parts by adding the distinctive words navia, 
carina, piippin, and velum, or hull, keel, stern, and sail. 
3. [I. c.] In zool., the technical specific name 
of the paper-nautilus, Argonauta argo. 4. In 
conch., a genus of nudibranchiate gastropods: 
synonymous with Doris. Bohadsch. 
argol 1 (ar'gol), n. [< ME. argoil, argoyle, AF. 
argoil; origin unknown; appar. ult. < Gr. apyof, 
white.] Unrefined or crude tartar; a hard 
crust, consisting of potassium bitartrate, formed 
on the sides of vessels in which wine has been 
fermented. It is purple or white according to the color 
of the wine. Argol is used by dyere to dispose the stuffs 
to take their colors ; and the purified bitartrate, called 
cream qf tartar, is used in medicine, cooking, and the 
processes of tinning and silvering. It is also a constitu- 
ent of most baking-powders. Also written argal, argoil, 
argall, oryal. 
argol 2 (ar'gol), n. [Mongol.] A cake of dried 
camel's dung, used by the Mongols as fuel. 
argolett, argoulett, n. [OF. argoulet; origin 
obscure.] A member of a French corps of light 
cavalry instituted by Louis XH., similar to the 
estradiots, and probably armed and drilled in 
partial imitation of that corps. 
Take a cornet of our horse, 
As many argolets, and armed pikes, 
And with our carriage march away before. 
Peele, Battle of Alcazar. 
argoletiert, n. [OF.] Same as argolet. 
Argolic (ar-gol'ik), a. [< L. Argoliais, < Gr. 
'ApyoiiKiif, pertaining to \pyoMf, Argolis. See 
Argive.] Belonging to Argolis, the territory 
of Argos, a district of Greece, in Peloponnesus, 
between Arcadia and the ^Igean sea : as, the 
Argolic Gulf. 
Argonaut (ar'go-nat), n. [< L. Argonauta, < 
Gr. 'ApyavaVTiK, 'one who sailed in the Argo, 
< 'Apya, Argo, + vavrtK (= L. nauta), a sailor, < 
voif, a ship: see nave?, nautical.] 1. One of 
the heroes who, according to the ancient Hel- 
lenic myth, sailed with Jason in the ship 
Argo to Colchis on the Euxine sea in quest of 
the golden fleece. This they secured, and Jason also 
bore back with him and his comrades to lolcus, amid won- 
derful adventures, the Colchian king's daughter Medea, 
the enchantress. 
ti argo (male), with hectocotylized arm attached. (Sev- 
eral times smaller than the female, though shown larger.) 
lopods, represented by the genus Argonauta, 
with an ovoid Unless body and the two upper- 
most arms (in the female) expanded terminally 
Argonauta argo (female), swimming in the direction of the large 
arrow the smaller showing the current from the siphon. 
into broad flatfish velamenta, which secrete a 
papery, spiral, single-chambered, involute shell. 
The family is peculiar in the development of the shell. 
The only known genus is Argonauta. The shells, popularly 
known as the argonaut, jxtper-nautilttg, and paper-sailor, 
and common as curiosities, are peculiar to the female, are 
secreted by the velamentous arms, and are charged with 
the eggs in the breeding season. 
argosy (ar'go-si), n. ; pi. argosies (-siz). [Early 
mod. E. also argosie, argosey, argozee, argosea, 
also argose, arguze, and ragosie, rhaguse, and 
first in the form ragusye (see first quot.), < It. 
Ragusea, pi. Bagusee, lit. a vessel of Bagnsa (in 
early moo:. E. also Aragouse, Arragosa), a port 
in Dalmatia on the east coast of the Adriatic 
sea, noted for its commerce.] A large merchant 
vessel, especially one carrying a rich freight. 
Furthermore, how acceptable a thing this may be to 
the Ragutyet, Hulks, Caravels, and other foreign rich 
