dichromatism

Definitions

  • WordNet 3.6
    • n dichromatism a deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision)
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Webster's Revised Unabridged Dictionary
    • n Dichromatism The state of being dichromatic.
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Century Dictionary and Cyclopedia
    • n dichromatism The quality of being dichromatic; the state or condition of normally presenting two different colors or systems of coloration: in zoology, said of animals which, being ordinarily of a given color, regularly or frequently exhibit a different coloration, due to melanism, erythrism, etc. The red and gray plumages of many owls, the red and green plumages of sundry parrots, the white and colored states of various herons, are examples of dichromatism. See color-variation.
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Chambers's Twentieth Century Dictionary
    • n Dichromatism dī-krō′ma-tizm (zool.) the quality of presenting, in different individuals, two different colours or systems of colouration
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Usage

In literature:

Associated Words: dichromatic, dichromatism, dichromic.
"Putnam's Word Book" by Louis A. Flemming
Dichromatism: the possession of two color varieties.
"Explanation of Terms Used in Entomology" by John. B. Smith
Sexual dichromatism is striking.
"Systematics of Megachiropteran Bats in the Solomon Islands" by Carleton J. Phillips
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In news:

Behzad Sajadi, Aditi Majumder, Manuel M Oliveira, Rosália G Schneider, Ramesh Raskar, "Using Patterns to Encode Color Information for Dichromats," IEEE Transactions on Visualization and Computer Graphics, vol 99, no.
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In science:

The organization of the paper is as follows: in Section 2 we recall the definitions of the dichromatic polynomial, define the appropriate specializations and explain how we will define the chain complexes.
Categorification of the Dichromatic Polynomial for Graphs
The dichromatic polynomial of the graph, PG (q , v), is the two-variable generalization of the chromatic polynomial of the graph.
Categorification of the Dichromatic Polynomial for Graphs
Furthermore, from (A1) we have a recursive expression for the dichromatic polynomial in terms of the value of the polynomial on graphs with a smaller number of edges.
Categorification of the Dichromatic Polynomial for Graphs
By repeated use of (A1) we will obtain the value of the dichromatic polynomial as a sum of contributions from all spanning subgraphs of G (subgraphs that contain all vertices of G), which we will call states.
Categorification of the Dichromatic Polynomial for Graphs
Our aim is to define a graded chain complex whose graded Euler characteristic is equal to the dichromatic polynomial.
Categorification of the Dichromatic Polynomial for Graphs
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