15-letter words containing y, t, a, l
- well trajectory — The well trajectory is the direction in which the well is drilled.
- whip-tailed ray — a whipray.
- wild strawberry — uncultivated plant bearing red fruit
- winter holidays — a period of rest from work or studies taken in winter
- wolf-rayet star — a very hot (35,000–100,000 K) and luminous star in the early stages of evolution, with broad emission lines in its spectrum.
- xylotypographic — involving or pertaining to xylotypography
- yellow goatfish — a schooling goatfish, Mulloidichthys martinicus, inhabiting the Atlantic Ocean from Florida to Panama.
- yosemite valley — a glacial valley in Yosemite National Park in central California, in the Sierra Nevada Mountains. It has an altitude of about 1200 m (4000 ft), with sheer walls rising about another 1200 m (4000 ft).
- yucatán channel — a channel between W Cuba and the Yucatán peninsula
- zoophytological — of or relating to zoophytology