12-letter words containing w, o, y
- yellow metal — a type of brass having about 60 per cent copper and 40 per cent zinc
- yellow no. 5 — a yellow dye used in food, drugs, cosmetics, and other products: required by FDA regulations to be identified on food labels because of possible allergic reactions in sensitive individuals.
- yellow ocher — a paint pigment, a variety of limonite, consisting of iron oxide and clay
- yellow ochre — an earth pigment which is yellowish orange
- yellow pages — Network Information Service
- yellow perch — See under perch2 (def 1).
- yellow peril — (in historical contexts) the alleged danger that predominantly white Western civilizations and populations could be overwhelmed by Asian peoples.
- yellow river — the second longest river in China, rising in SE Qinghai and flowing east, south, and east again to the Gulf of Bohai south of Tianjin; it has changed its course several times in recorded history. Length: about 4350 km (2700 miles)
- yellow sally — an angler's name for either of two small yellow stoneflies: Isoperla grammatica of chalk streams and Chloroperla torrentium of upland streams
- yellow-belly — Slang. a person who is without courage, fortitude, or nerve; coward.
- yellow-green — a color containing both yellow and green.
- yellowhammer — a common European bunting, Emberiza citrinella, the male of which is marked with bright yellow.
- yellowjacket — (chiefly, US) A predatory wasp with alternating black and yellow stripes around the abdomen, usually of the genera Vespula or Dolichovespula.
- yellowshanks — A bird, the yellowlegs.
- yellowthroat — any of several American warblers of the genus Geothlypis, having a throat that is yellow, especially the common yellowthroat, G. trichas.
- you-know-who — a person whose name one does not want to say, but who is known to the person to whom one is speaking
- youth worker — A youth worker is a person whose job involves providing support and social activities for young people, especially young people from poor backgrounds.
- yukawa meson — a hypothetical elementary particle with finite rest mass, whose exchange between nucleons would account for the strong short-range forces between nucleons: subsequently identified as the pion.