isogram


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isogram

[′ī·sə‚gram]
(mathematics)

isopleth

On a chart or a graph, a line of constant value of a given quantity with respect to either space or time. Also called an isogram.
References in periodicals archive ?
Most entries in the following collection of 100 pair isograms were found by Dmitri Borgmann, Ralph Beaman, Darryl Francis and myself.
Similarly, the 585 three-letter isograms in the OSPD after duplicate transposals have been removed can be sorted into the following 100 shiftgroups, with an average of 5.
Corresponding tables showing shiftgroups for four-letter words are too lengthy to exhibit; for example, there are 575 shiftgroups of isograms, and 300 of four-letter words in which one letter appears twice and two other letters once.
As it can be seen from the isograms, the dislocation of isolines of the indicators of the maximum and the minimum elongations related to the most important horizontal deformations coincides in the version I and the version II.
Dmitri Borgmann introduced the concept of pair isograms in Language on Vacation .
Unfortunately, none of the thirty new pair isograms is a solidly spelled dictionary-listed word.
4 in 4 (these particular words are pair isograms, words with 2 of each different letter)
These are pair isograms (words with 2 of each different letter).