Definify.com

Webster 1913 Edition


Diagram

Di′a-gram

,
Noun.
[Gr. [GREEK], fr. [GREEK] to mark out by lines;
διά
through + [GREEK] to draw, write: cf. F.
diagramme
. See
Graphic
.]
1.
(Geom.)
A figure or drawing made to illustrate a statement, or facilitate a demonstration; a plan.
2.
Any simple drawing made for mathematical or scientific purposes, or to assist a verbal explanation which refers to it; a mechanical drawing, as distinguished from an artistical one.
Indicator diagram
.
(Steam Engine)
See
Indicator card
, under
indicator

Di′a-gram

,
Verb.
T.
To put into the form of a diagram.

Webster 1828 Edition


Diagram

DIAGRAM

,
Noun.
[Gr., to write.] In geometry, a figure, draught or scheme delineated for the purpose of demonstrating the properties of any figure, as a square, triangle, circle, &c. Anciently, a musical scale.