# nomograph

## nomogram

[nom-uh-gram, noh-muh-]
noun
1.
a graph, usually containing three parallel scales graduated for different variables so that when a straight line connects values of any two, the related value may be read directly from the third at the point intersected by the line.
2.
any similar graph used to show the relation between quantities, values, numbers, and so on.
Also called nomograph [nom-uh-graf, -grahf, noh-muh-] ,

Origin:
1905–10; nomo- + -gram1

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World English Dictionary
 nomogram or nomograph (ˈnɒməˌɡræm, ˈnəʊmə-) —n 1. an arrangement of two linear or logarithmic scales such that an intersecting straight line enables intermediate values or values on a third scale to be read off 2. any graphic representation of numerical relationships [C20: from Greek nomos law + -gram, on the model of French nomogramme] nomograph or nomograph —n [C20: from Greek nomos law + -gram, on the model of French nomogramme]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

nomograph nom·o·graph (nŏm'ə-grāf', nō'mə-) or nom·o·gram (-grām')
n.
A graph consisting of three coplanar curves, each curve graduated for a different variable so that a straight line cutting all three curves intersects the related values of each variable.

no·mog'ra·phy (nō-mŏg'rə-fē) n.
The American Heritage® Stedman's Medical Dictionary
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Encyclopedia

nomograph

calculating chart with scales that contain values of three or more mathematical variables, widely used in engineering, industry, and the natural and physical sciences