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•portion of thofe who have derided God’s word, and made 
a mock of every thing that is facred and religious ? Tillotf. 
Tliefe fens, ye gods, who with flagitious pride 
Infult my darknel's, and my groans deride. Pope. 
DERl'DER,/'. A mocker; a fcoflfer.—Upon the wil¬ 
ful violation of oaths, execrable blafphemies, and like 
contempts offered by deriders of religion, fearful tokens 
of divine revenge have been known to follow. Hooker. — 
A droll; a buffoon. 
DE'RIG, a fmall ifland near the weft: coaft of Ireland, 
and county of Sligo. I.at. 24.55. N. Ion. S. 24. W. 
Greenwich. 
DE'RIG, a lake of Ireland, in the county of Long¬ 
ford : five miles eaft-north-eaft of Edgworth town. 
DERI'NA, a lake of Ireland, in the county of Kerry : 
twenty-four miles fouth-weft of Killarney. 
DERI'SION.yi [derijio, Lat.] The act of deriding or 
laughing at.—Vanity is the natural weaknefs of an am¬ 
bitious man, which expofes him to the fecret fcorn and 
derijion of thofe he converfes with. Addifon. —Contempt; 
fcorn; a laughing-ftock.—I am in derifion daily; every 
one mocketh me. Jer. xx. 7.—Thou makeft 11s a re¬ 
proach to our neighbours, a fcorn and a derifion to them 
that are round about us. Pfalmx liv. 13. 
Enfnar’d, alfaulted, overcome ; led bound, 
Thy foes derijion, captive, poor, and blind, 
Into a dungeon thruft. Milton. 
DERI'SIVE, adj. Mocking ; fcoffing ; 
O'er all the dome they quaff, they feaft ; 
Derijive taunts were fpread from gueft to gueft, 
And each in jovial mood his mate addrefs’d. Pope. 
DERI'SORY, adj. [dcrijbrius, Lat.] Mocking; ridi¬ 
culing. 
DERI'VABLE, adj. Attainable by right ofdefcent 
or derivation.—God has declared this the eternal rule 
and ftandard of all honour derivable upon me, that thofe 
who honour him fliall be honoured by him. South. 
DERIVA'TION, f. \_derivatio, Lat.] A draining of 
water; a turning of its courfe.—When the water began 
to fwell, it would every way difeharge itfelf by any de- 
feents or declivities of the ground ; and thefe iflues and 
derivations being once made, and fupplied with new wa¬ 
ters puftiing them forwards, would continue their courfe 
till they arrived at the fea, juft as other rivers do. Burnet. 
—[ In grammar. ] The tracing of a word from its original. 
.—Your lordfhip herefeemstodiflike my taking notice that 
the derivation of the word Subftance favours the idea we 
have of it ; and your lordfhip tells me, that very little 
weight is to be laid on it, on a bare grammatical etymo¬ 
logy. Locke. —The tranfmiflion of any thing from its 
fource.—As touching traditional communication, and 
tradition of thofe truths that I call connatural and en¬ 
graven, I do not doubt but many of thofe truths have 
had the help of that derivation. Hale. —[In medicine.] 
The drawing of a humour from one part of the body to 
another.— Derivation differs from revulfion only in the 
meafure of the diftance, and the force of the medicines 
ufed ; if we draw it to fome very remote, or, it may be, 
contrary part, we call that revulfion; if only to fome 
neighbouring place, and by gentle means, we call it de¬ 
rivation. Wijeman. —The thing deduced or derived: not 
■ufed. —Moft of them are the genuine derivations of the hy- 
pothefis they claim to. Glanville. 
DERIVATIVE, adj. [derivativus , Lat.] Derived or 
taken from another.—As it is a derivative perfection, fo 
it is a diftinCt kind of perfection from that which is in 
God. Hale. 
DERIVATIVE, f. The tiling or word derived or 
taken from another.—The word Honeftus originally and 
ftriCtly fignifies no more than creditable, and is but a 
derivative from Honor, which fignifies credit or honour. 
South. 
DERI'VATIVELY, adv. In a derivative manner. 
D ly R 
To DERI'VE, v. a. [. deriver, Fr. from derive, Lat.] To 
turn the courfe of water from its channel.—Company 
leflens the ftiame of vice by lharing it, and abates the 
torrent of a common odium by deriving it into many chan¬ 
nels. South. —To deduce; as from a root, from a caufe, 
from a principle.—Men derive their ideas of duration 
from their reflection on the train of ideas they obferve 
tofucceedone another in their own underftandings. Locke. 
—From thefe two caufes of the laxity and rigidity of the 
fibres, the methodifts, an ancient fet of phyficians, de¬ 
rived all difeafes of human bodies with a great deal of 
reafon ; for the fluids derive their qualities from the lo- 
lids. Arbuthnot. —To communicate to another, as from the 
origin and fource.—Chrift having Adam’s nature as we 
have, but incorrupt, deriveth not nature, but incorrup¬ 
tion, and that immediately from his own perfon, unto all 
that belong unto him. Hooker. —To receive by tranfmif- 
fion.—This property feems rather to have been derived 
from the pretorian foldiers. Decay of Piety. —To commu¬ 
nicate to by defeent of blood.—Befides the readinefs of 
parts, an excellent difpofition of mind is derived to your 
lordfhip from the parents of two generations, to whom I 
have the honour to be known. Felton. —To fpread ; to 
diffufe gradually from one place to another.—The ftreams 
of public juftice were derived into every part of the king¬ 
dom. Davies. —[In grammar.] To trace a word from its 
origin. 
To DERI'VE, v. n. To come from ; to owe its ori¬ 
gin to: 
He that refills the power of Ptolemy, 
Refills the pow’r of heav’n; for pow’r from heav’n 
Derives, and monarchs rule by gods appointed. Prior . 
To defeend from.'—I am, my lord, as well deriv’d as he. 
Shakefpeare. 
DERI'VER,y. One that draws or fetches, as from the 
fource or principle.—-Such a one makes a man not only 
a partaker of other men’s fins, but alfo a deriver of the 
whole entire guilt of them to himfelf. South. 
DER'KUL, a river of Ruflia, which runs into the 
Donetz : thirty-fix miles fouth of Bielovodlk. 
DER'MA,y [Gr.] The Ikin of a man or beaft. 
DERMATOI'DES,y [front Ikin ; and a 
likenefs.] Any thing refembling Ikin or leather in its 
confidence. In anatomy it is applied to the dura mater. 
DERMES'TES,y. the Leather-Eater; in entomo¬ 
logy, a genus of infeCts belonging to the order of coleop- 
tera. The antennas are clavated, with three of the joints 
thicker than the reft ; the bread is convex ; and the head 
is infleCled or hidden under the thorax. The larvae or 
grubs of this tribe devour dead bodies, Ikins, leather, 
or any animal fubftance, books, &c. and will perforate 
any kind of wainfeot, or houfehold furniture. There 
are eighty-five fpecies now afeeftained, of which the fol¬ 
lowing come moftly within our notice : 
1. The lardarius, of an oblong form, and black colour, 
diftinguilhable by a light brown ftripe or patch that oc¬ 
cupies tranfverfely almoft the anterior half of each of the 
elytra. That colour depends on fmall grey hairs iitua- 
ted on that part. The ftripe is irregular at its edges, 
and interfeCled through the middle by a fmall tranfverfal 
ftreak of black fpots, three in number on each of the 
elytra, the middlemoft fomewhat lower than the others, 
which gives the black ftreak a ferpentine form. Its 
larva is oblong, fomewhat hairy, and divided into feg- 
ments alternately dark and light coloured; gnaws and de- 
ftroys preparations of animals and birds preferved in col¬ 
lections, and even feeds upon the infeCts; it is alfo to 
be found in old bacon. 2. The domefticus; this varies 
greatly in fize and colour, fome being found of a dark 
brown, others of a much lighter hue. The form of it 
is oblong, almoft cylindrical. The elytra are ftriated, 
the thorax is thick and rather gibbous. When touched, 
it draws in its head under its thorax, and its feet beneath 
its abdomen, remaining fo motionlefs that one would 
think 
