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 (nŏm′ə-grăf′, nō′mə-) or nom·o·gram (-grăm′)
1. A graph consisting of three coplanar curves, each graduated for a different variable so that a straight line cutting all three curves intersects the related values of each variable.
2. A chart representing numerical relationships.

[Greek nomos, law; see nem- in Indo-European roots + -graph.]

nom′o·graph′ic adj.
no·mog′ra·phy (nō-mŏg′rə-fē) n.


n, pl -phies
(Mathematics) the science of constructing nomographs. See nomogram
noˈmographer n
nomographic, ˌnomoˈgraphical adj
ˌnomoˈgraphically adv


1. the art of drafting laws.
2. a treatise on the drawing up of laws. — nomographer, n. — nomographic, adj.
See also: Law
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His 1912 paper, "On Equations of Three Variables Represented by Nomograms with Collinear Points" was a landmark in the mathematical literature on nomography. It has been largely neglected until recently when mathematicians working on linearization have rediscovered it.