Word: yellow Part of Speech: noun Etymology: From Middle English yelwe, yelou, from Old English ġeolwe, oblique form of Old English ġeolu, from Proto-West Germanic *gelu, from Proto-Germanic *gelwaz, from Proto-Indo-European *ǵʰelh₃wós, from *ǵʰelh₃- (“green, yellow”). Cognate with Scots yella (“yellow”), North Frisian gööl, güül (“yellow”), Saterland Frisian jeel (“yellow”), West Frisian giel (“yellow”), Cimbrian gel, ghéel (“yellow”), Dutch geel (“yellow”), Dutch Low Saxon gael, gel (“yellow”), German gelb, gehl (“yellow”), German Low German gel, geel, gęl, gäl (“yellow”), Luxembourgish giel (“yellow”), Vilamovian gaoł (“yellow”), Yiddish געל (gel), געלב (gelb, “yellow”), Danish, Norwegian Bokmål, Norwegian Nynorsk, and Swedish gul (“yellow”), Faroese and Icelandic gulur (“yellow”). Compare also Welsh gell (“bay, tawny”), Latin helvus (“dull yellow”), Irish geal (“white, bright”), Lithuanian žalias (“green”), Ancient Greek χλωρός (khlōrós, “light green”), Persian زرد (zard, “yellow”), Sanskrit हरि (hari, “greenish-yellow”), Russian жёлтый (žóltyj, “yellow”), Russian зелёный (zeljónyj, “green”). The verb is from Middle English yelwen, ȝalowen, ȝolewen, from Old English ġeolwian, from the adjective. Pronunciation: /ˈjɛləʊ/, /ˈjɛlo/, /ˈjɛlə/, /ˈjɛlou/, /ˈjɛloʊ/ 1. The color of sunflower petals and lemons; the color obtained by mixing green and red light, or by subtracting blue from white light; the color evoked by light of wavelength around 580 nm; one of the three primary colors in subtractive color systems. Labels: countable, uncountable Example: It is the strangest yellow, that wall-paper! It makes me think of all the yellow things I ever saw—not beautiful ones like buttercups, but old foul, bad yellow things. Example: Red No. 3, red No. 40, blue No. 2 and green No. 3 all have been linked with cancer or tumors in animals. Other sources say red No. 40 and yellow No. 5 and No. 6 contain or may be contaminated with known carcinogens. 2. The middle light in a set of three traffic lights, the lighting of which indicates that drivers should stop short of the intersection if it is safe to do so. Labels: US, countable, uncountable 3. One of the color balls used in snooker, with a value of 2 points. Labels: countable, uncountable 4. One of two groups of object balls, or a ball from that group, as used in the principally British version of pool that makes use of unnumbered balls (the yellow(s) and red(s)); contrast stripes and solids in the originally American version with numbered balls). Labels: countable, uncountable 5. A yellow card. Labels: countable, uncountable Example: Andrew Surman fired in what proved to be a 37th-minute winner before Forest's Paul Konchesky saw red late on. That second yellow for the loan signing came in stoppage time and did not affect the outcome of a game which Norwich dominated. 6. Any of various pierid butterflies of the subfamily Coliadinae, especially the yellow colored species. Compare sulphur. Labels: countable, uncountable Example: Several other beautiful butterflies rewarded my search in this place [...] The most abundant butterflies were the whites and yellows (Pieridae), several of which I had already found at Lombock and at Coupang, while others were new to me.