dichromatic


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Related to dichromatic: Dichromatic color vision

dichromatic

1. having or consisting of only two colours
2. (of animal species) having two different colour varieties that are independent of sex and age
3. able to perceive only two (instead of three) primary colours and the mixes of these colours

dichromatic

[dī·krə′mād·ik]
(biology)
Having or exhibiting two color phases independently of age or sex.
References in periodicals archive ?
Some of the chromaticities that form the background and the figure fall on the dichromatic confusion lines, whereas others fall off the lines.
We classified male and female nestlings using sexually dichromatic plumage coloration.
Tawny-bellied Seedeaters are sexually dichromatic but genders do not differ in body size (~8-9 g).
They're examining New World-primate species in which animals can be either dichromatic or trichromatic.
If not, it should be: "Swallow purple candy/Don't forget to breathe/ Sickened by the wanting/And drowning from the need/This dichromatic vision/Of one who does not care/To sipping cocktail sedatives/ Two months to hide somewhere" ("Butterflies).
The chaffinch, a small dichromatic European finch, forms winter flocks in which males (having red plumage coloration) generally dominate females (having brown plumage coloration) in social encounters (Marler, 1955a).
2) 1616 Dichromatic and Full-Color Chip LEDs -- Sharp's dichromatic high luminosity chip LEDs have two different colors in the same package, and are used in cell phones, backlights or other applications that require multiple color options from one LED.
The sexes are not dichromatic at 3 years and younger, but after 3 years of age males develop an orange patch on the breast (Mitrus 2007).
Colour vision is dichromatic for wavelengths greater than 540nm.
It appears that most species of Pseudanthias are sexually dichromatic and/or dimorphic protogynous hermaphrodites.
Moreover, with the two cone types, bats have the prerequisite for dichromatic colour vision, a condition common in mammals.
Sex change in these labrids is often accompanied by a change in body color and they are thus sexually dichromatic (Warner and Robertson, 1978; Shapiro, 1981; Gillanders, 1995a).