16-letter words containing p, l, a, u
- underpitch vault — a construction having a central vault intersected by vaults of lower pitch.
- ungava peninsula — a peninsula in NW Ungava region, in N Quebec, in E Canada.
- unimpressionable — easily impressed or influenced; susceptible: an impressionable youngster.
- unimproved value — the valuation of land for rating purposes, disregarding the value of buildings or other development
- unissued capital — authorized capital that has not yet been issued as shares
- unix manual page — (operating system) (Or "man page") A part of Unix's extensive on-line documentation. To read a manual page from the Unix command line, type: man [-s
] e.g. "man ftp" (the section number can usually be omitted). Pages are traditionally referred to using the notation "page(section)", e.g. ftp(1). Under SunOS (which is fairly typical), Section 1 covers commands, 2 system calls, 3 C library routines, 4 devices and networks, 5 file formats, 6 games and demos, 7 miscellaneous, 8 system administration. Each section has an introduction which can be obtained with, e.g., "man 2 intro". Manual pages are stored as nroff source files. Formatted versions are also usually cached. Man pages for most versions of Unix are available on-line in HTML. - unparticularized — to make particular.
- unpredictability — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- unproportionally — having due proportion; corresponding.
- up with the lark — up early in the morning
- upland sandpiper — a large, field-inhabiting sandpiper, Bartramia longicauda, of eastern North America, resembling a plover: now protected and increasing in numbers.
- upper palatinate — See under Palatinate (def 1).
- upsilon particle — the 20th letter of the Greek alphabet (Υ, υ).
- ventriculography — radiography of the ventricles of the heart after injection of a contrast medium
- virtual particle — an elementary particle of transitory existence that does not appear as a free particle in a particular situation but that can transmit a force from one particle to another.
- voluntary helper — a person who aids or assists in a specified function of one's own accord and without compulsion or promise of remuneration
- water lily tulip — a showy tulip, Tulipa kaufmanniana, of Turkestan, having spreading, white or pale-yellow flowers with yellow centers streaked with red.
- world bank group — the collective name for the International Bank for Reconstruction and Development, the International Finance Corporation, and the International Development Association, whose headquarters are all in Washington