13-letter words containing p, o, u, n
- 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.
- upon my soul! — an exclamation of surprise
- upon my word! — a unit of language, consisting of one or more spoken sounds or their written representation, that functions as a principal carrier of meaning. Words are composed of one or more morphemes and are either the smallest units susceptible of independent use or consist of two or three such units combined under certain linking conditions, as with the loss of primary accent that distinguishes black·bird· from black· bird·. Words are usually separated by spaces in writing, and are distinguished phonologically, as by accent, in many languages.
- upper chinook — a Chinookan language of the Columbia River valley from the Deschutes River to the estuary.
- upright piano — a piano with an upright rectangular body and with its strings running vertically. Compare spinet (def 1).
- ups and downs — good and bad experiences
- uranite group — the mineralogical group including uranites and related minerals.
- vapourishness — the quality or state of being vapourish
- volute spring — a coil spring, conical in shape, extending in the direction of the axis of the coil.
- women's group — A women's group is a group of women who meet regularly, usually in order to organize campaigns.
- working group — A working group is the same as a working party.
- yuppification — The act or process of yuppifying.
- zinjanthropus — the genus to which Australopithecus boisei was formerly assigned.
- zoosporangium — a sporangium or spore case in which zoospores are produced.