| 释义 |
isograph|ˈaɪsəʊgrɑːf, -æ-|
[f. iso- + -graph.]
1. A drawing instrument (see quots.).
1838Civil Engin. & Arch. Jrnl. I. 349/1 These are a set of triangular rulers, drawing paper, with the lines and ellipses described upon it, and the isograph which consists of a number of rulers, made of brass or ivory, the fiducial edge of each being an inch apart, and parallel to each other. 1909Webster, Isograph, an instrument consisting of two short straightedges connected by a large circular joint marked with angular degrees, used with a T square on a drawing board and combining the functions of a protractor and a set square. 1926–7Army & Navy Stores Catal. 456/1 Isograph. 12 in. boxwood, brass joint.
2. Linguistics. (See quots.)
1939L. H. Gray Foundations of Lang. ii. 26 Certain features of any one of the dialects will be common to some of the rest..so that it will be possible to draw upon a map lines indicating at least the approximate boundaries of these features... Such lines are termed isoglottic lines or isographs. 1954Pei & Gaynor Dict. Ling. 106 Isograph, any line on a linguistic map, indicating a uniformity in the use of sounds, vocabulary, syntax, inflexion, etc. |