(a.) Having or existing in three different phases of color; having three distinct color varieties; -- said of certain birds and insects.
Example Sentences:
(1) The results indicate that dichromatic and trichromatic monkeys differ only trivially on tests where performance is based on the contributions of non-opponent mechanisms, that the contribution of spectrally opponent mechanisms to the "brightness signal" is very similar in trichromatic and dichromatic monkeys, and that in increment-threshold discriminations where there are both chromaticity and luminance cues some test wavelengths yield superior performance for trichromats while others appear to favor the dichromat.
(2) It is possible that so-called normal trichromatic vision occurs only between the central blue-blind fixation area and about 30 degrees peripherally.
(3) The fundamental mechanisms of human trichromatic colour vision must satisfy Grassman's law of additivity.
(4) X-chromosome inactivation ensures that the two alleles are expressed in different subpopulations of retinal cone, giving the monkey the basis for trichromatic colour vision.
(5) Control experiments show no low-frequency adaptation in peripheral vision or in central vision in the dark-adapted trichromat indicating that low spatial frequency adaptation cannot be elicited through the rod system of the trichromat.
(6) Retinal densitometry of the foveas of fifteen of the deuteranopes is compared and contrasted with measurements on trichromats.
(7) Of the defectives, the plate test disclosed all but two anomalous trichromats.
(8) Comparable tc determinations were made in a normal trichromat.
(9) The eye, as a trichromatic Fresneloptical modulator of the information present in the amplitude, phase and frequency of the processed light, receives considerably more information on perceived objects than it passes on to the brain.
(10) Many errors were due to the small number of protanopes averaged and inability to distinguish trichromats from dichromats.
(11) The distribution of response variability in Rayleigh equation match widths due to factors other than the spectral characteristics of the photopigments is similar in normal and anomalous trichromats.
(12) Two of the four observers had normal trichromatic colour vision; the other two were dichromats (protanopes).
(13) A trichromatic model is proposed of constant pattern of colour perception (MCCP) for scenes with a single illumination source.
(14) Schrödinger applies a projective transformation to a standard chromaticity diagram, to demonstrate the common geometry of the chromaticity diagrams derived from the trichromatic and opponent-process theories of color vision.
(15) However, recent evidence indicates that only two types of cones in the trichromatic eye contribute to chromatic border perception.
(16) These project in parallel with a second system of trichromatic long-axon receptors and the L3 efferent.
(17) Individual differences in matching among normal (as well as among both varieties of red--green anomalous) trichromats, on the other hand, suggest that the extinction spectra of the cone pigments sensitive to long and medium wave lengths may differ from one trichromat to the next.
(18) The granddaughter of their eldest brother had difficulties in colour vision tests and was interpreted as an anomalous trichromat of unclassified nature.
(19) For trichromats, it proved to be more difficult to detect the target region in the camouflage condition, even though colour was completely irrelevant to the task.
(20) Implications for trichromatic opponent-response functions are considered.
Tricolour
Definition:
Example Sentences:
(1) With Soviet-era music blaring from loudspeakers and the Russian tricolour everywhere, the overwhelming feeling in Sevastopol was that the city was finally "going home" after a 23-year stay in Ukraine .
(2) Monk insisted Gomis deserved to be credited with the goal – “he covered every blade of grass, I think” – and applauded his gesture in grabbing a French tricolour from the touchline and waving it to the heavens in solidarity with those who lost their lives in Paris.
(3) [...] But while the Russian tricolour still fluttered over the parliament building on Tuesday night, hundreds of protesters gathered in the square outside, waving the blue and yellow flag of Ukraine, and calling for the country to come together in unity.
(4) I had a huge Irish tricolour flag that covered half the wall, but at the last St Patrick’s day event someone took it.
(5) On Bedloe’s Island, the centre of attraction, a large platform decorated with bunting in which the tricolour was conspicuous, was erected, and hither after the parade was over President Cleveland and the most distinguished American and French representatives were conducted.
(6) Other members include Jobbik, the Movement for a Better Hungary, France's National Front, Italy's Tricolour Flame, Sweden's National Democrats and Belgium's National Front.
(7) Members include Jobbik – The Movement for a Better Hungary, France's National Front, Italy's Tricolour Flame, Sweden's National Democrats and Belgium's National Front.
(8) On the South Lawn on Wednesday she wore a neatly tailored, tricoloured dress by the relatively established British designer Roksanda Ilincic, which chimed perfectly with Obama's pale, neatly tailored suit by US designer Zac Posen.
(9) She arrives wearing a jacket that perfectly matches the posters and the chair set out for her next to the obligatory Tricolour, which blends into the grey-blue walls.
(10) Loyalists angered over the policy switch held a mass rally at city hall on Saturday during which an Irish tricolour was burned.
(11) The arrests triggered panic-buying in the local shops, barricades were erected across the roads and Irish tricolours hung from the lamp-posts.
(12) In an aircraft hangar on the French Riviera, as thousands of supporters waved French tricolour flags, France’s far-right Front National leader, Marine Le Pen , boomed proudly from the stage: “The time of the nation state is back!” She praised Britain’s vote to leave the European Union and said plans to build walls across the world – including one to keep out migrants and refugees at Calais — showed a return to “the time of borders”.
(13) GPO Rebel leader Padraig Pearse and his contingent captured the building and hung the Irish tricolour outside.
(14) To those ones, we hope to show that Macron can give them a voice and help them find solutions.” After a visit to a housing estate, Pierre reports that one man told her with pride: ‘I’ve converted my whole block to the FN.’ But back at the camper van, which sports the tricolour and dozens of photographs of wellwishers accumulated over the weeks, there is better news.
(15) On the July column, the monument marking the 1830 revolution from which the golden-winged Genie of Liberty looks all around, the tricolour flags were still flying; it was a sunny day and something historic had been marked once again in the Place de la Bastille.
(16) Martin McGuinness and his fellow Sinn Féiners currently share power at Belfast and cooperate in the government of the six counties; one must wonder if they really are eager to relinquish that power for the pride of seeing the tricolour flying above a redundant Stormont.
(17) Using these inferences, two tricoloured measuring tapes, one each for CC and MAC, are proposed as simple screening tools for use by primary health workers for identifying low-birthweight neonates in the community without resorting to weighing scales.
(18) Dozens of bodies were wrapped in Yemen's tricolour flag and hoisted onto shoulders of young men who paraded the bodies through the streets shouting, "There is no God but Allah" and "Ali Saleh the tyrant is the enemy of God."
(19) "We will be challenging the Irish government to change its flag flying policy and stop flying the tricolour 365 days per year over the Dáil.
(20) The Sinn Féin president's revelation about his father came after the latter was given a full republican funeral, during which his most famous son placed an Irish tricolour on his coffin.