13-letter words containing u, p, a, r
- protanomalous — of, relating to, or affected by protanomaly
- proteinaceous — Biochemistry. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the diet of all animals and other nonphotosynthesizing organisms, composed of 20 or more amino acids linked in a genetically controlled linear sequence into one or more long polypeptide chains, the final shape and other properties of each protein being determined by the side chains of the amino acids and their chemical attachments: proteins include such specialized forms as collagen for supportive tissue, hemoglobin for transport, antibodies for immune defense, and enzymes for metabolism.
- protoactinium — protactinium.
- protolanguage — the reconstructed or postulated parent form of a language or a group of related languages.
- provost guard — a detachment of soldiers assigned to police duties under the provost marshal.
- prudentialism — a regard for prudential, rather than moral, considerations
- prudentialist — a person who acts prudentially
- prudentiality — prudential nature or practice
- prussian blue — any of a number of blue pigments containing ferrocyanide or ferricyanide complexes
- pseudepigraph — a book or piece of writing that is falsely titled or credited
- public charge — a person who is in economic distress and is supported at government expense: He assured the American consul that the prospective immigrant would not become a public charge.
- pulverization — to reduce to dust or powder, as by pounding or grinding.
- pupil teacher — a young person who plans to be a teacher and who spends part of his or her time in preliminary education undertaking teaching duties under the supervision of the head-teacher
- 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.
- quadricipital — (anatomy) Of or pertaining to the quadriceps.
- quadripartite — divided into or consisting of four parts.
- quadriphonics — quadraphony.
- quadriplegics — Plural form of quadriplegic.
- quadrupedally — In the manner of an animal that walks on four feet or four legs.
- 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.
- quadruplicate — one of four copies or identical items, especially copies of typewritten material.
- quadruplicity — the state or fact of being quadruple or fourfold.
- quality press — the more serious newspapers which give detailed accounts of world events, as well as reports on business, culture, and society
- 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 plate — a photographic plate measuring 31⁄4 × 41⁄4 inches (8.3 × 10.8 cm)
- 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
- quarter-phase — differing in phase by a quarter of a cycle; two-phase.
- quasi-private — belonging to some particular person: private property.
- quasiparticle — an entity, as an exciton or phonon, that interacts with elementary particles, but does not exist as a free particle.
- quaterpolymer — A copolymer derived from four species of monomer.
- 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.
- redcloud peak — a mountain in SW Colorado, in the San Juan Mountains, in the S Rocky Mountains. 14,034 feet (4278 meters).
- reduplication — the act of reduplicating; the state of being reduplicated.
- reduplicative — tending to reduplicate.
- regular graph — (mathematics) A graph in which all nodes have the same degree.
- 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.
- reproachfully — full of or expressing reproach or censure: a reproachful look.
- 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.