Definition of dichromatism in English:

dichromatism

noun dʌɪˈkrəʊmətɪz(ə)mdaɪˈkroʊməˌtɪzəm

mass noun

1(typically in an animal species) the occurrence of two different kinds of colouring.
Example sentencesExamples
- One of the most conspicuous ornamental traits in avian sexual dichromatism is carotenoid-based plumage coloration.
- Sex of each chick at six weeks of age was recorded, when sexual plumage dichromatism became unambiguous.
- In no case did we find a significant interaction between sexual dichromatism and year.
- Extrapair paternity has been reported to be strongly positively associated with sexual dichromatism.
- Collection of the goldfinches took place when plumage dichromatism between males and females is subtle.
2Colour blindness in which only two of the three primary colours can be discerned.

Derivatives

dichromatic

adjective dʌɪkrə(ʊ)ˈmatɪk

Chestnut Teal are strongly sexually dichromatic; the male has a green head, chestnut breast, and dark upperparts, and the female closely resembles a Grey Teal.
Example sentencesExamples
- Most mammals are dichromatic, meaning they have the use of two types of light-receiving cells, called cones, in their eyes that allow them to distinguish two of the four primary color phases, giving them limited color resolution.
- Other arrhythmic animals must also have dichromatic color vision during the day and detect wavelengths somewhere between 430 and 500 nm at night, depending on their rhodopsins and specific types of blue pigments.
- The RSD species are also so obviously sexually dichromatic that it seems unlikely the tail length dimorphism could have evolved to reduce competition between mated pairs for access to ecological resources such as food.
- Gambel's quail is a highly ornate and dichromatic species, whereas scaled quail (C. squamata) is unornamented and monochromatic.

Definition of dichromatism in US English:

dichromatism

noundaɪˈkroʊməˌtɪzəmdīˈkrōməˌtizəm

1(typically in an animal species) the occurrence of two different kinds of coloring.
Example sentencesExamples
- Extrapair paternity has been reported to be strongly positively associated with sexual dichromatism.
- One of the most conspicuous ornamental traits in avian sexual dichromatism is carotenoid-based plumage coloration.
- Collection of the goldfinches took place when plumage dichromatism between males and females is subtle.
- In no case did we find a significant interaction between sexual dichromatism and year.
- Sex of each chick at six weeks of age was recorded, when sexual plumage dichromatism became unambiguous.
2Color-blindness in which only two of the three primary colors can be discerned.

单词	dichromatism
释义	Definition of dichromatism in English: dichromatism noun dʌɪˈkrəʊmətɪz(ə)mdaɪˈkroʊməˌtɪzəm mass noun 1(typically in an animal species) the occurrence of two different kinds of colouring. Example sentencesExamples One of the most conspicuous ornamental traits in avian sexual dichromatism is carotenoid-based plumage coloration. Sex of each chick at six weeks of age was recorded, when sexual plumage dichromatism became unambiguous. In no case did we find a significant interaction between sexual dichromatism and year. Extrapair paternity has been reported to be strongly positively associated with sexual dichromatism. Collection of the goldfinches took place when plumage dichromatism between males and females is subtle. 2Colour blindness in which only two of the three primary colours can be discerned. Derivatives dichromatic adjective dʌɪkrə(ʊ)ˈmatɪk Chestnut Teal are strongly sexually dichromatic; the male has a green head, chestnut breast, and dark upperparts, and the female closely resembles a Grey Teal. Example sentencesExamples Most mammals are dichromatic, meaning they have the use of two types of light-receiving cells, called cones, in their eyes that allow them to distinguish two of the four primary color phases, giving them limited color resolution. Other arrhythmic animals must also have dichromatic color vision during the day and detect wavelengths somewhere between 430 and 500 nm at night, depending on their rhodopsins and specific types of blue pigments. The RSD species are also so obviously sexually dichromatic that it seems unlikely the tail length dimorphism could have evolved to reduce competition between mated pairs for access to ecological resources such as food. Gambel's quail is a highly ornate and dichromatic species, whereas scaled quail (C. squamata) is unornamented and monochromatic. Definition of dichromatism in US English: dichromatism noundaɪˈkroʊməˌtɪzəmdīˈkrōməˌtizəm 1(typically in an animal species) the occurrence of two different kinds of coloring. Example sentencesExamples Extrapair paternity has been reported to be strongly positively associated with sexual dichromatism. One of the most conspicuous ornamental traits in avian sexual dichromatism is carotenoid-based plumage coloration. Collection of the goldfinches took place when plumage dichromatism between males and females is subtle. In no case did we find a significant interaction between sexual dichromatism and year. Sex of each chick at six weeks of age was recorded, when sexual plumage dichromatism became unambiguous. 2Color-blindness in which only two of the three primary colors can be discerned.
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