17-letter words containing t, o, a, l, y
- urogenital system — the urinary tract and reproductive organs
- variable-geometry — denoting an aircraft in which the wings are hinged to give the variable aspect ratio colloquially known as a swing-wing
- vertical mobility — movement from one social level to a higher one (upward mobility) or a lower one (downward mobility) as by changing jobs or marrying.
- village community — an early form of community organization in which land belonged to the village, the arable land being allotted to the members or households of the community by more or less permanent arrangements and the waste or excess land remaining undivided.
- visitors' gallery — a balcony in a building such as a parliament or court where members of the public can sit
- willow flycatcher — a North American flycatcher, Empidonax alnorum, of alder thickets and other moist areas, that has greenish-brown upper parts and whitish underparts and is almost indistinguishable except by voice from E. traillii (willow flycatcher)
- yellow water lily — any of several water lilies, as the spatterdock, Nuphar luteum, having yellow flowers.
- yellowstone falls — a waterfall in NW Wyoming, in Yellowstone National Park on the Yellowstone River
- yield the palm to — to acknowledge the superiority of; admit to defeat by
- yield to maturity — The yield to maturity of a bond is the rate of return on the bond if it is held to its maturity date.
- youth-and-old-age — a stiff-growing, erect composite plant, Zinnia elegans, of Mexico, having large, solitary flowers with yellow-to-purple disks and usually red rays.