| 释义 |
▪ I. diagraph, n.1|ˈdaɪəgrɑːf, -græf|
[f. Gr. διαγραϕή diagram, description, etc. f. δια- through + γραϕή writing: cf. med.L. diagraphum ‘descriptio census’ (Du Cange).]
†1. A description. Obs.
1727in Bailey vol. II.
2. = diagram 3 b. rare.
1853Sir W. Hamilton Discuss. App. ii. (ed. 2) 671 note, What is indeed noticed and acknowledged..as a variation from ‘Aristotle's diagraph’..the Major Term is not, in any way, placed ‘nearer to’ and ‘further from the Middle,’ for the Second and Third Figures.
▪ II. diagraph, n.2|ˈdaɪəgrɑːf, -græf|
[a. F. diagraphe, f. stem of Gr. διαγράϕ-ειν to mark out by lines, draw; cf. diagram.]
1. An instrument used for drawing mechanically projections of objects, enlarged copies of maps, etc.; it consists of a pencil governed by cords and pulleys, and guided by the application of a pointer to the object to be copied.
1847Craig, Diagraph, a certain instrument used in perspective drawing, invented by M. Gavard, Paris. 1851Exhib. Catal. III. 1187 Diagraphs and pantographs, for copying maps. 1878Bartley tr. Topinard's Anthrop. ii. iii. 269 The diagraph of Gavard. Note. Instrument by the help of which drawings [of the skull] by projection are obtained.
2. A combined protractor and scale used in plotting.
▪ III. ˈdiagraph, v. rare.
[f. Gr. διαγράϕειν: see next.]
trans. To represent diagrammatically; = diagram v.
1889J. M. Robertson Ess. Crit. Method 54 A set of formulas supposed to describe or diagraph the dramatic practice of Shakspere. |