12-letter words containing a, s, u, i
- postdiluvian — existing or occurring after the Biblical Flood.
- postsurgical — pertaining to or involving surgery or surgeons.
- praseodymium — a rare-earth, metallic, trivalent element, named from its green salts. Symbol: Pr; atomic weight: 140.91; atomic number: 59; specific gravity: 6.77 at 20°C.
- pratincolous — living in a meadow.
- pre-issuance — the act of issuing.
- precariously — dependent on circumstances beyond one's control; uncertain; unstable; insecure: a precarious livelihood.
- pregustation — the act of tasting beforehand
- presbyacusis — an age-related, progressive loss of hearing in both ears
- primulaceous — belonging to the plant family Primulaceae.
- prison guard — an officer in charge of prisoners in a jail
- progymnasium — (in Europe) a school that prepares pupils for secondary education (the gymnasium)
- promuscidate — shaped like a proboscis
- prussic acid — weakly acidic extremely poisonous aqueous solution of hydrogen cyanide
- pseudoanemia — Pathology. a quantitative deficiency of the hemoglobin, often accompanied by a reduced number of red blood cells and causing pallor, weakness, and breathlessness.
- pseudopodial — a temporary protrusion of the protoplasm, as of certain protozoans, usually serving as an organ of locomotion or prehension.
- pseudorabies — a highly contagious, usually fatal disease of cattle, sheep, and other animals, caused by the herpesvirus Herpes suis, and characterized by severe pruritus and progressive central nervous system involvement sometimes including an aggressive excitement phase.
- pterosaurian — a pterosaur
- pugnaciously — inclined to quarrel or fight readily; quarrelsome; belligerent; combative.
- quackishness — The state or condition of being quackish.
- quacksalving — resembling or characteristic of a quacksalver
- quadragesima — the first Sunday in Lent.
- quadrillions — Plural form of quadrillion.
- quadrisected — Simple past tense and past participle of quadrisect.
- quadrisonics — quadraphony.
- quai d'orsay — the quay along the south bank of the Seine in Paris, on which are located the Ministry of Foreign Affairs and other French government offices.
- qualmishness — The quality of being qualmish.
- quantisation — Alternative spelling of quantization.
- quarterlies' — occurring, done, paid, issued, etc., at the end of every quarter of a year: a quarterly report; quarterly interest.
- quarterpipes — Plural form of quarterpipe.
- quasi-famous — having a widespread reputation, usually of a favorable nature; renowned; celebrated: a famous writer. Synonyms: famed, notable, illustrious. Antonyms: unknown, obscure.
- quasi-feudal — of, relating to, or of the nature of a fief or fee: a feudal estate.
- quasi-normal — conforming to the standard or the common type; usual; not abnormal; regular; natural.
- quasicrystal — a form of solid matter whose atoms are arranged like those of a crystal but assume patterns that do not exactly repeat themselves.
- quasilogical — according to or agreeing with the principles of logic: a logical inference.
- quasineutral — not taking part or giving assistance in a dispute or war between others: a neutral nation during World War II.
- quaternities — Plural form of quaternity.
- question tag — interrogative ending to a sentence
- questionable — of doubtful propriety, honesty, morality, respectability, etc.: questionable activities; in questionable taste.
- questionably — of doubtful propriety, honesty, morality, respectability, etc.: questionable activities; in questionable taste.
- quick assets — assets readily convertible into cash; liquid current assets
- quinceaneras — Plural form of quinceanera.
- quindecagons — Plural form of quindecagon.
- quitch grass — any of various grasses, especially Agropyron repens, known chiefly as troublesome weeds and characterized by creeping rootstocks that spread rapidly.
- race suicide — the extinction of a racial or ethnic population that tends to result when, through the unwillingness or forbearance of its members to have children, the birthrate falls below the death rate.
- radicicolous — living on the roots of plants
- radicivorous — feeding on the roots of plants
- radio source — a cosmic object or phenomenon, as a galaxy, pulsar, quasar, or the remnant of a supernova or of a galactic collision, that emits radio waves.
- rag business — the garment, clothing, or fashion industry.
- ramapithecus — a genus of extinct Miocene ape known from fossils found in India and Pakistan and formerly thought to be a possible human ancestor.
- rambunctious — difficult to control or handle; wildly boisterous: a rambunctious child.