nomogram


nomogram
A form of line chart showing scales for the variables involved in a particular formula in such a way that corresponding values for each variable lie in a straight line intersecting all the scales. SYN: nomograph (2). [G. nomos, law, + gramma, something written]
- blood volume n. a n. used to predict blood volume on the basis of the individual's weight and height.
- cartesian n. a n. based on rectangular coordinates, representing two variables, on which a family of isopleths is superimposed for each of the additional variables involved. [from R. Descartes, French philosopher and mathematician, 1596–1650]
- d'Ocagne n. an alignment chart consisting of an arrangement of three or more graduated lines (straight or curved), each constituting a scale of values of a variable, constructed so that any straight line crossing these scales connects the simultaneously compatible values; from values for any two variables, the values of all other variables can be determined.
- Radford n. a n. used to predict necessary tidal volume for artificial respiration on the basis of respiratory rate, body weight, and sex; correction factors are supplied for activity, fever, altitude, metabolic acidosis, and alterations in dead space.
- Siggaard-Andersen n. a n. used to predict acid-base composition of blood by the slope and position of a buffer line constructed when PCO2 on a logarithmic scale is plotted against pH.

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no·mo·gram 'näm-ə-.gram, 'nō-mə- n a graphic representation that consists of several lines marked off to scale and arranged in such a way that by using a straightedge to connect known values on two lines an unknown value can be read at the point of intersection with another line

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nom·o·gram (nomґo-gram) [nomo- + -gram] a figure consisting of three or more straight or curved lines, each graduated for a different variable and aligned in such a way that a straightedge crossing all of the scales cuts the scales at values of the variable that have a specified mathematical or empirical relationship. Called also nomograph.

Medical dictionary. 2011.

Look at other dictionaries:

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  • nomogram — [näm′ə gram΄, nō′məgram΄] n. a set of scales for the variables in a problem which are so distorted and so placed that a straight line connecting the known values on some scales will provide the unknown values at its intersections with other… …   English World dictionary

  • Nomogram — Smith chart which shows how the complex impedance of a transmission line varies along its length This article is about the graphical devices called nomograms. Not to be confused with nonograms, a kind of Japanese puzzle, or monograms, small… …   Wikipedia

  • nomogram — s ( met, nomogram, best. pl. men) diagram som används vid nomografi …   Clue 9 Svensk Ordbok

  • nomogram — nomograma statusas T sritis automatika atitikmenys: angl. abac; alignment chart; nomogram; nomograph vok. Funktionsnetz, n; Nomogramm, n rus. номограмма, m pranc. abaque, m; nomogramme, m …   Automatikos terminų žodynas

  • nomogram — A mathematical device or model that shows relationships between things. For example, a nomogram of height and weight measurements can be used to find the surface area of a person, without doing the math, to determine the right dose of… …   English dictionary of cancer terms

  • nomogram — noun Etymology: Greek nomos law + International Scientific Vocabulary gram more at nimble Date: 1908 a graphic representation that consists of several lines marked off to scale and arranged in such a way that by using a straightedge to connect… …   New Collegiate Dictionary

  • nomogram — /nom euh gram , noh meuh /, n. 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… …   Universalium

  • nomogram — noun A diagram in which the relationship between three variables is represented by a straight line or curve for each variable; the value of the third variable corresponding to particular values of the first two is obtained by drawing a straight… …   Wiktionary

  • nomogram — m IV, D. u, Ms. nomogrammie; lm M. y mat. «wykres, za pomocą którego można bez obliczeń uzyskać w szybki sposób rozwiązanie konkretnego równania; wykresy takie są stosowane m.in. w technice, handlu, biurowości» ‹z gr.› …   Słownik języka polskiego


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