corrivate 
rivtui, a brook : see rival. Cf. derive, derivate.] 
To form a stream of (water) by drawing from 
several sources. 
Rare devices to corrimte waters. 
Burton, Anat. of Mel., p. 2<6. 
corrivationt (kor-i-va'shon), n. [< corrivate + 
-in.] The running of different streams into 
one. 
Corriration* of water to moisten and refresh barren 
(.rounds. Burton, Anat. of Mel., To the Reader, p. BO. 
corroborant (ko-rob'o-rant), . and n. [< L. 
corrobran(t-)s,"ppr. of c'orroborarf, strengthen: 
see corroborate.] I. a. Strengthening; having 
the power or quality of giving strength : as, a 
corroborant medicine. 
1281 
corroboratory (ko-rob'o-rMo-ri), n. [< corrob- 
orate + -ory.] Tending to strengthen ; corrob- 
orative. 
corroboree, corrobory (ko-rob-o-re , ko-w 
ri),H. [\\nocorrobrry; native name.] A war- 
dance or duncing-piirty of the aborigines of 
Australia and New Zealand. 
These men [natives of Tasmania], as well as those of tin- 
trite Minuting to King George's Sound, being tempted 
by the otter of some tubs of rice and sugar, were persuaded 
t,, h.dd a cambtry, or great dancing party 
e of B 
Refrigerant, corroborant, and apt-rii-nt. 
Bacon, Nat. Hist. 
II. n. A medicine that produces strength 
and vigor ; a tonic. 
A dislocated wrist, unsuccessfully set, occasioned advice 
from my surgeon, to try the mineral waters of Alx In 
Provence as a corroborant. Jefferson, Autobiog., p. 58. 
corroborate (ko-rob'6-rat), r. t. ; pret. and pp. 
corroborated, p'pr. corroborating. [< L. cor- 
roborates, pp. of corroborare, conroborare (> It. 
corroborare = Sp. Pg. corroborar = F. corrobo- 
rer), strengthen, < com-, together, + roborare, 
strengthen, < robur (robor-), strength: see ro- 
bust.] 1. To strengthen ; make strong, or im- 
part additional strength to: as, to corroborate 
the judgment, will, or habits. [Obsolescent.] 
The nerves are corroborated thereby. Watt*. 
2. To confirm ; make more certain ; give addi- 
tional assurance of : as, the news is corrobo- 
rated by recent advices. 
From these observations, corroborated by taste and Judg- 
ment, he formed an Ideal pattern. 
OotdmtUh, Cultivation of Taste. 
He does not see fit to corroborate any fact by the testi- 
mony of any witness. 
D. Webster, Goodridge Case, April, 1817. 
When the truth of a person's assertions is called In ques- 
tion It is fortunate for him ... if he have respectable 
friends to corroborate his testimony. 
Crate, English Synonymes (ed. 1826). 
corroborate* (ko-rob'6-rat), a. [< L. corrobora- 
tes,^.: see the verb.] Corroborated; strength- 
ened ; confirmed. 
Vanrin, Voyage of Beagle, II. 240. 
corroboree, corrobory (ko-rob-o-re', ko-rob'o- 
ri), r. . ; pret. and pp. corroboreed, corroboriea, 
ppr. corroboreeiiig, corroborying. [< corroboree, 
corrobory, n.] To hold a corroboree; be used 
for that purpose. 
The Menura Albertl scratches for Itself shallow holes, 
or as they are called by the natives, corroborying places, 
where It Is believed Iwth sexes assemble. 
Darwin, Descent of Man, II. 102. 
corrode (ko-rod'). r. ; pret. and pp. corroded, 
ppr. OOnWOMf 1= F - corroder = Pr. corroder 
= Sp. Pg. corroer = It. corrwlere, < L. corro- 
dere, gnaw, gnaw to pieces, < com-, together, 
+ rodere, gnaw: see rodent. Cf. erode.} 1. 
trans. Literally, to eat or gnaw away gradually ; 
hence, to wear away, diminish, or disintegrate 
(a body) by gradually separating small par- 
ticles from (it), especially by the action of a 
chemical agent: as, nitric acid corrodes cop- 
per: often used figuratively. 
We know that aqua-fortis corrodiiis copper . . .Is wont 
to reduce It to a green blue solution. Boyle, Colours. 
Should jealousy Ite venom once diffuse, 
Corroding every thought, and blasting all 
Love's paradise. Thornton, Spring, 1. 10,9. 
That melancholy which is excited by objects of pleasure 
soothes the heart Instead of corrottina It. 
Ooldtinith, Vicar, xxlv. 
In all Catholic countries where ecclesiastical influences 
have been permitted to develop unmolested, the monas- 
tic organizations have proved a deadly canker, corroding 
the prosperity of the nation. 
Udey, Europ. Morals, II. 100. 
= Syn. To canker, gnaw, waste. 
n. intrans. 1. To gnaw; eat or wear away 
gradually. 
Thou shew'st thyself a true corroding vermin. 
B. Jonson, Magnetlck Lady, iv. 2. 
corroBivlty 
kind of cement applied to the outside of vessels 
to make them water-tight, or laid at the bottom 
of reservoirs, etc., to keep the water from perco- 
lating downward, 
corrosibility (ko-ro-si-bil'i-ti), n. [< corrow- 
hlr see -lii/ili/.} ' Same as corrodibility. 
corrosible (ko-ro'si-bl), a. [< L. corrosut, pp. 
of corrodere, corrode (see corroile), + -toff.J 
Same as eorrmliliii . 
corrosibleness (ko-ro'si-bl-nes), . 
a.'trr r property of being corrodible. 
corrosion (ko-ro'/.hon), n. [= F. eorrotion i = 
Pr. corrosioj corrossio = Sp. corrosion = Pg. 
corrostto = It. eorrosione, v ML. corrosio(n-), 
< L. corrodere, pp. corrosus, gnaw, corrode: 
see corrode.] Literally, the act or process of 
eating or gnawing away; IH-IICI-, the process 
of wearing away, disintegrating, or destroying 
by the gradual separation of small parts or 
particles, especially by the action of chemical 
agents, as acids: often used figuratively of 
the destructive influence of care, grief, time, 
etc. 
Common is a particular species of dissolution of bodies, 
either by an acid or a saline menstruum. putney. 
Though it (peevishness] breaks not out In paroxyi of 
outrage ... it wears out happiness by slow eomnan. 
Joknuou, Rambler, No. 74. 
They [Grecian art and literature) have carried their 
own serene and celestial atmosphere Into all land, to 
protect them against the eorrotion of time. 
Thoreaii, W alden, p. 112. 
Except It be corroborate by custom. 
Baarn, Custom and Education. 
corroborator (ko-rob'6-ra-ter), n. One who or 
that which corroborates, strengthens, or con- 
firms. 
COITOboratict (ko-rob-o-rat'ik), a. and n. [As 
corroborate + -4c.] I. a. Strengthening; cor- 
roborant. 
II. ". That which strengthens. 
Get a good warm girdle, and tie round you ; tls an excel- 
lent corroboratitlc to strengthen the loins. 
Tom Broicn, Works, II. 186. 
corroboration (ko-rob-o-ra'shon), n. [= F. cor- 
roboration = 8p."corroboracioH = Pg. corrobo- 
ractto = It. corroborazioiie, < L. as if "corrobora- 
tio(n-), < corroborare, pp. corroborates, strength- 
en: see corroborate, t-.j 1. The act of strength- 
ening; addition of strength. [Obsolete or ar- 
chaic.] 
For eorroboratvm and comfortatlon, take such bodies as 
are of astringent quality, without manifest cold 
Bacon, Nat. Hist., 961. 
2. The act of confirming ; verification ; confir- 
mation: as, the corroboration of the testimony 
of a witness by other evidence. 
Having considered the evidence given by the plays them- 
selves, ... let us now enquire what corroboration can be 
gained from other testimony. 
Johtutan, Shakespeare s Plays. 
3. That which corroborates Bond of corrob- 
oration. See ftOTX/1. 
corroborative (ko-rob'o-ra-tiv), a. and n. [= t . 
corroboratif = Sp. Pg. It. corroborativo, < L. as 
if "corroborativn.1, < corroborate*, pp. of corrobo- 
rare, strengthen: see corroborate, t'., and -iff.] 
I . 1. Having the power of giving strength 
or additional strength. 2. Tending to confirm 
or establish the truth of something ; verifying. 
If you think there be anything explanatory or corrobo- 
nitirr of what 1 say, . . . be so good as to tran9cril>e those 
passages for me. Bp. Warburton, Letter to Bp. Hurd. 
II. n. That which corroborates, (a) A medi- 
cine that strengthens ; a corroborant. 
An apothecaries shop . . . wherein are all remedies, 
. . . alteratives, corroborative*, lenitives, etc. 
Burton, Anat. of Mel., p. 280. 
(frr) Corroborative testimony. 
He that says the words of the fathers are not sunVient 
to determine a nice question, stands not iicalnit him who 
says tin an .A.-.-llcnt corroborative* in :i question already 
d.-'t.-rmim-d. Jer. Taylor, Works (ed. 18S5), II. 145. 
81 
There have been long intervening periods of compara- 
tive rest, during which the sea corroded deeply, as it is 
still corralling into the land. 
Danein, Geol. Observations, II. 218. 
2. Figuratively, to become gradually impaired 
or deteriorated; waste away. 
The flery and impatient spirit of the future illustrious 
commander was doomed for a time to fret under restraint, 
and to corrode in distasteful repose. 
Motley, Dutch Republic, III. 369. 
3. To act by or as if by corrosion or canker, 
or a process of eating or wearing away. 
By incautiously suffering this jealousy to corrode in her 
breast, she began to give a loose to passion. 
Goldtiuitli, The Bee, No. 7. 
corrodent (ko-ro'dent), a. and . [< L. eorro- 
den(t-)s, ppr.'of corfodere, corrode : see corrode.} 
I. a. Haying the power of corroding; acting 
by corrosion. [Rare.] 
II. . Any substance that corrodes. 
The physlck of that good Samaritan In the Gospel, where- 
in there was corrodent and a lenient, compunction and 
consolation. Bp. Kinfl, Vltis Palatlna, p. 17. 
Corrodentia (kor-6-den'shi-a), n. i>l. [NL., 
neut. pi. of L. crroAen(t-)s, ppr. of corrodere, 
gnaw: see corrodent, corrode/) A group of 
neuropterous (pseudo-neuropterous) insects. 
They have the following technical characteristics : the 
antenna many-jointed; the wings with few nervures, 
sometimes quite without transverse venation ; the head 
strongly mandilmlate ; and the tarsi two- or three-jointed. 
The limits of the group vary ; it contains the Piocida or 
book-lice and the Kuibiidtt, to which some authors ad.i 
the Termitidce or white ants, by others made type of a 
group lnovtera. (See these words.) The best-known rep- 
resentative of the group "> the death-watch, Atropo*(ur 
Trocte) wlxatoriu*, a wst of insect-collections. By sonic 
the termites are madelne type of this group, which is 
referred to the IIS.MI.I.I neuropterous division of OrtAop^m 
corrodiatet (ko-ro'di-at), r. An improper and 
obsolete form of corrode. 
corrodibility (ko-ro-di-bU'i-ti), n. [< corrodt- 
blc: see -bility.] The character or property of 
being corrodible. Also corrosibility. 
corrodible (ko-ro'di-bl), a, [< corrode + -ible. 
Cf. corrosible".] Capable of being corroded. 
Also eorrosible. 
Metals . . . corrodiblf by waters. 
Sir T. Browne, Vulg. Err. 
corrody, See corody. 
corroi (kor'oi), . [< F. corroi, a puddle, ce- 
ment, also currying, OF. conroi, corroi, appa- 
ratus, gear, preparation, et. : see curry!.] A 
corrosive (ko-ro'siv, formerly kor'o-siv), o. and 
H [= F. corrosif = Pr. corroziu, corrossiu = 
Sp. Pg. It. corrosir.0, < ML. as if "corrosivus, < 
L. corromis, pp. of corrodere, corrode: see cor- 
rode. Cf. cornice.] I. a. Literally, eating or 
gnawing; hence, destroying as if by gnawing 
away; wearing away or disintegrating by sep- 
arating small parts or particles, especially un- 
der chemical action, as of acids: often used 
figuratively of immaterial agents, as care, time, 
etc., absolutely or with of. 
The soft delicious air, 
To heal the scar of these corrotive fire*. 
Shall breathe her balm. Milton, P. L., IL 401. 
The sacred sons of vengeance, on whose course 
Corrosive famine waits. Thoiiuon, Spring, 1. 126. 
I should like. If I could, to give a specimen of their as- 
sumptions and the reasonings founded on them, which In 
my " Apologia " I considered to l>e corronve of all religion. 
J. H. Xariuan, Contemporary Rev., XLVIII. 461. 
Corrosive sublimate, the blchlorid of mercury (HgCl 2 ), 
prepared by subliming an intimate mixture of equal parts 
of common salt and mercuric sulphate. It Is a white 
crystalline solid, and Is an acrid poison of great virulence. 
The stoiiiach-pinnp and emetics are thesurest preventives 
of its deleterious effects when swallowed ; white of egg 
lias also been found serviceable in allaying Its poisonous 
influence upon the stomach. It requires 20 part* of cold 
water but only 2 of boiling water, for IU solution. It is 
used in surgery as an antiseptic, and In medicine Inter- 
nally In minute doses. It is also used to preserve ana- 
tomical preparations. Wood, cordage canvas etc., when 
soaked In a solution of it, are found to l>c less destructible 
on exposure. 
II. . Anything that corrodes, especially a 
chemical agent, as an acid ; anything that wears 
away or disintegrates; figuratively, anything 
that has an analogous influence upon the mind 
or feelings. 
The violence of his disease, Francisco, 
Must not lw jested with ; 'tis grown Infections, 
And now strong ciimmce* must cure him. 
Fletcher, Wit without Money, Iv. 1. 
Poverty and want are generally corrnriret to all kinds 
O f men . Burton, Anat. of Mel., p. 215. 
Corroriwjt are substances which, when placed In contact 
with living parts, gradually disorganize them. 
Dunylaon, Diet, of Med. Science. 
corrosivet (ko-ro'siv, kor'o-siv), v. [< corro- 
itit-e, n.] I. trans. To corrode. 
Thy conscience corroriv'd with grief. 
Drayton, Barons' Wars. 
n. intrans. To act by corrosion. 
The peril that arises to the heart from passion U the 
fixedness of It, when, like a corrotirtini plaister, it eats 
into the sore. Bp. Hall, Contemplations, Iv. 
corrosively (ko-ro'siv-li), adv. 1. In a corro- 
sive manner; by corrosion. 2. Like a corro- 
sive. 
tvvt 
At first It tasted somewhat comrirtly. Boyle, Saltpetre. 
corrosiveness (ko-ro'siv-nes), . 1. The prop- 
erty of corroding, eating away, or dismtegra 
ing; figuratively, an analogous propertyin some 
immaterial agent, 2. Some property charac- 
teristic of a corrosive substance, as ita taste. 
[Rare.] 
Saltpetre betrays upon the tongue no corranteneu at 
all, but coldneM. *P* saltpetre. 
COITOSivity (kor-o-siv'i-ti). . [=F. sorrow r< -tr : 
as corrosive + -iiy.] Corrosiveness. [Rare.] 
