13-letter words containing u, n, p, a, r
- prudentiality — prudential nature or practice
- prussian blue — any of a number of blue pigments containing ferrocyanide or ferricyanide complexes
- pulverization — to reduce to dust or powder, as by pounding or grinding.
- puritan ethic — work ethic.
- puritan spoon — a silver spoon having an ovoid bowl and a straight, flat, completely plain stem.
- purple martin — a large American swallow, Progne subis, the male of which is blue-black.
- pursuit plane — (formerly) an armed airplane designed for speed and maneuverability in fighting enemy aircraft.
- quadraphonics — high-fidelity sound reproduction involving signals transmitted through four different channels.
- quadriphonics — quadraphony.
- quadruple run — a set of five cards consisting of a three-card run plus two other cards that duplicate different denominations in the run, as 5,5,6,6,7, worth 16 points.
- quanah parker — (Quanah Parker) 1845?–1911, Comanche leader.
- quandary peak — a mountain in central Colorado, in the Park Range, in the Rocky Mountains, NE of Leadville. 14,265 feet (4348 meters).
- quarter point — the fourth part of the distance between any two adjacent points of the 32 marked on a compass, being 2° 48′ 45″.
- quarter pound — a unit of weight equal to a quarter of a pound or 4 ounces avoirdupois
- ration coupon — a coupon that can be exchanged for a certain quantity of rationed goods
- reading group — a group of people who meet regularly to discuss a book that they have all read
- recomputation — an act, process, or method of computing; calculation.
- reduplication — the act of reduplicating; the state of being reduplicated.
- regulator pin — either of two pins on the regulators of certain timepieces, one on each side of the hairspring, that can be moved to adjust the rate of the timepiece.
- republicanism — republican government.
- republicanize — to make republican.
- republication — publication anew.
- repunctuation — the act or process of punctuating differently or again
- revenue stamp — a stamp showing that a governmental tax has been paid.
- route planner — a book of road maps
- rupert's land — (formerly, in Canada) the territories granted by Charles II to the Hudson's Bay Company in 1670 and ceded to the Canadian Government in 1870, comprising all the land watered by rivers flowing into Hudson Bay
- saint-exupery — Antoine de [ahn-twan duh] /ɑ̃ˈtwan də/ (Show IPA), 1900–45, French author and aviator.
- sharp-tongued — characterized by or given to harshness, bitterness, or sarcasm in speech.
- sinumbra lamp — an unshaded sperm-oil lamp consisting of a translucent glass globe supported on a pedestal: a form of astral lamp.
- soupfin shark — a requiem shark, Galeorhinus zyopterus, inhabiting the Pacific Ocean, valued for its fins, which are used by the Chinese in the preparation of a soup, and for its liver, which is rich in vitamin A.
- southern alps — a mountain range in New Zealand, on South Island: the highest range in Australasia. Highest peak: Mount Cook (also known as Aoraki or Aorangi), 3754 m (12 316 ft)
- sparking plug — spark plug (def 1).
- spermatangium — the organ that produces spermatia in red algae.
- sperry univac — (company) One of the divisions of Sperry Corporation at the time that company merged with the Burroughs Corporation to form Unisys Corporation.
- spiral nebula — (formerly) a spiral galaxy.
- spring beauty — any American spring plant belonging to the genus Claytonia, of the purslane family, especially C. virginica, having an elongated cluster of white flowers tinged with pink.
- stirrup pants — close-fitting pants with a stirruplike strap, at the end of each leg, to be positioned under the arch of the foot
- straighten up — stand straighter
- subappearance — a slight appearance
- subdepartment — a distinct part of anything arranged in divisions; a division of a complex whole or organized system.
- submarine pen — a bunker that prevents submarines from bombs
- subprime loan — A subprime loan is a loan with a higher interest rate, to borrowers who are a high credit risk.
- sulfapyridine — a sulfanilamide derivative, C 1 1 H 1 1 N 3 O 2 S, formerly used for infections caused by pneumococci, now used primarily for a particular dermatitis.
- sulphonylurea — an antidiabetic drug used in treating type II diabetes, which acts by stimulating the production of insulin in the pancreas
- sunray pleats — bias-cut knife pleats that are narrower at the top than at the bottom, producing a flared effect, used esp for skirts
- superabundant — exceedingly or excessively abundant; more than sufficient; excessive.
- superannuable — (of a salary or job) with which a superannuation is associated, which entitles one to a superannuation
- superannuated — retired because of age or infirmity.
- superbrain ii — (computer) The 1982 successor to the Superbrain with a faster and enhanced disk operating system and improved video and graphics.
- supercalender — a roll or set of rolls for giving a high, smooth finish to paper.