13-letter words containing d, o, u, a, l
- undiagnosable — unable to be diagnosed
- undirectional — of, relating to, or indicating direction in space.
- undulationist — a subscriber to the theory that light is transmitted as waves
- unideological — not having, belonging to, or relating to any particular ideology or belief system
- unmetabolised — not metabolised
- unmetabolized — not metabolized
- unobliterated — to blot out or render undecipherable (writing, marks, etc.); efface.
- unputdownable — (especially of a book or periodical) so interesting or suspenseful as to compel reading.
- untraditional — of or relating to tradition.
- upland cotton — a plant, Gossypium hirsutum, of warm regions of the New World, that is the chief commercial cotton crop in the U.S.
- upland plover — a large, field-inhabiting sandpiper, Bartramia longicauda, of eastern North America, resembling a plover: now protected and increasing in numbers.
- valued policy — a policy in which the company and the policyholder agree to the amount to be paid in the event of total loss of property, regardless of the value of the property.
- wall cupboard — a cupboard that is fixed to a wall
- well-favoured — of pleasing appearance; good-looking; pretty or handsome.
- wolffian duct — a duct, draining the mesonephros of the embryo, that becomes the vas deferens in males and vestigial in females.
- young ireland — a movement or party of Irish patriots in the 1840s who split with Daniel O'Connell because they favoured a more violent policy than that which he promoted
- zero altitude — the height at which the atmospheric pressure is 610.5Pa
- zygodactylous — Also, zygodactylous. (of a bird) having the toes of each foot arranged in pairs, with two toes in front and two behind.