File:A New general dictionary of arts and sciences, or, Compleat system of universal knowledge (1766) (14786673293).jpg

Identifier: newgeneraldictio02scot (find matches)
Title: A New general dictionary of arts and sciences, or, Compleat system of universal knowledge
Year: 1766 (1760s)
Authors: Scott, James
Subjects: Encyclopedias and dictionaries
Publisher: London : Cooke
Contributing Library: University of California Libraries
Digitizing Sponsor: Internet Archive

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
in pafTages are made, which naturallyought to have been ; or certain natural pafTages aredilated beyond their ordinary dimenfions, fo that thehumours which ought to have been contained in theveflels extravafate or run out. Di^ffiREsis, in grammar, the divifion of one fyl-lable into two, which is ufaally noted by two pointsover a letter, as aulai inftead of aula, diflbiiienda fordifiolvenda. Diuresis, is alfo the fame with what is other-wife called tmefis. See Tmesis. DIAGLYPHIC, the art of cutting or engravingfigures on metals, fuch as feals, intaglios, matricesof letters, ^c. or coins for medals. See the ar-ticles Engraving and Sculpture. DIAGNOSTIC, from the Greek J-.a, with orthrough, and yivao-^iu, to know, is that judgment ofa difeafa that is taken from the prefent fymptoms andcondition of the patient. DIAGONAL, in geometry, a right-line drawna-crofs a parallelogram, or other quadrilateral fi-gure, from the vertex of one angle to that of ano-ther. Such /r.^lTEXCIT. J^illDUjTixixL
Text Appearing After Image:
t>t/tl^,t.-ui/. D I A Such are the line A D or B C (Plate XLI. fig. 7.)drawn from the angles A and B to C and D. Some audiors call it diameter, and others the dia-metral of the figure. It is demonftrated, I. that every diagonal dividesa parallelogram into two equal parts: 2. two diago-nals drawn in any parallelogram, biffttt each other :3. the diagonal of a fquare is incommenfurable withone of its fides. Add, 4. a very noWe theorem in elementary geo-metry, firft demonftrated by Mr. Lagny, in theMemoires de r Acadimie Royak des Sciences, An. 1706,is that the fum of the Iquares of the two diagonalsof every parallelogram, is equal to the fum of thefquares of the four iides. It is evident, at firft fight, that the famed 47thpropofition of Euclid, To richly worth the hecatombit cofts its author, is only a particular cafe of thispropofition : for if the parallelogram be rectangled,it follows of courfe, that the two diagonals are e-qual ; and, of confequence, that the fquare of adiagonal,newgeneraldictio02scot

Note About Images