15-letter words containing a, y, w, o
- upward mobility — movement from one social level to a higher one (upward mobility) or a lower one (downward mobility) as by changing jobs or marrying.
- upwardly mobile — See under vertical mobility (def 1).
- walking holiday — a holiday on which you walk a lot, esp in the countryside
- walleye pollock — a cod, Theragra chalcogramma, ranging the northern Pacific, that is related to and resembles the pollock.
- washington lily — a lily, Lilium washingtonianum, of the western coast of the U.S., having whorled leaves and fragrant, purple-spotted white flowers.
- water authority — an official body which is responsible for providing water
- water pennywort — any of numerous perennial herbs of the genus Hydrocotyle, of the parsley family, having rounded leaves and living in water or marshy places.
- well trajectory — The well trajectory is the direction in which the well is drilled.
- wild and woolly — unrestrained; lawless: a wild-and-woolly frontier town.
- wild-and-woolly — unrestrained; lawless: a wild-and-woolly frontier town.
- 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.
- working holiday — trip combining vacation with job experience
- yellow goatfish — a schooling goatfish, Mulloidichthys martinicus, inhabiting the Atlantic Ocean from Florida to Panama.
- yellow lead ore — wulfenite.
- yellow mandarin — (in the Chinese Empire) a member of any of the nine ranks of public officials, each distinguished by a particular kind of button worn on the cap.