13-letter words containing s, u, r
- angular house — any of the four astrological houses that begin at the angles: the first, fourth, seventh, and tenth houses, that correspond, respectively, to self, home, others, and career.
- annular space — An annular space is a ring-shaped space outside the drillpipe, through which mud and cuttings are removed.
- another-guess — of another kind.
- ante-christum — before Christ. Abbreviation: A.C.
- antenniferous — having antennae
- anti-universe — a universe made up of antimatter, postulated to exist far out in space
- antidiuretics — Plural form of antidiuretic.
- antineutrinos — Plural form of antineutrino.
- antipruritics — Plural form of antipruritic.
- antireligious — opposed to religious ideas, beliefs, and organizations
- antiritualism — opposed to ritualism
- antiscorbutic — preventing or curing scurvy
- antisubmarine — (of weapons, missiles, etc) designed to combat or destroy submarines
- antisudorific — an antiperspirant.
- apatosauruses — Plural form of apatosaur.
- aperture mask — a perforated metal plate situated behind the faceplate of a color television picture tube and having holes aligned to insure that each of three electron beams strikes only its corresponding red, green, or blue phosphor dot.
- aphanipterous — of or relating to the wingless insects of the order Aphaniptera
- appeals court — An appeals court is the same as an appellate court.
- appoggiaturas — Plural form of appoggiatura.
- appurtenances — accessories or equipment
- aquaculturist — a person who practises aquaculture
- aqueous humor — a watery fluid in the space between the cornea and the lens of the eye
- arachnivorous — Spider-eating.
- archduchesses — Plural form of archduchess.
- archeptolemus — (in the Iliad) the son of Iphitus who served as a charioteer for Hector.
- architectures — Plural form of architecture.
- arcus senilis — an opaque circle around the cornea of the eye, often seen in elderly people
- argentiferous — containing or bearing silver
- argilliferous — containing or yielding clay
- arseniuretted — combined with arsenic so as to form an arsenide.
- arsenous acid — a toxic white powder, As2O3, used to make other arsenic compounds, insecticides, and preservatives; white arsenic
- arteriovenous — of, relating to, or affecting an artery and a vein
- articulations — Plural form of articulation.
- arundinaceous — resembling a reed
- aschaffenburg — a city in Germany, on the River Main in Bavaria: seat of the Imperial Diet (1447); ceded to Bavaria in 1814. Pop: 68 607 (2003 est)
- asexual spore — a spore that is the result of asexual reproduction
- assault rifle — a firearm that is capable of firing multiple rounds in a very short period
- astronautical — of or relating to astronautics or astronauts.
- asylum seeker — An asylum seeker is a person who is trying to get asylum in a foreign country.
- atrabilarious — Characterized by melancholy or gloom.
- atroceruleous — a deep blue-black color.
- atrociousness — The state of being atrocious.
- aubervilliers — an industrial suburb of Paris, on the Seine. Pop: 63 136 (1999)
- audiographics — audiographic teleconferencing
- aum shinrikyo — a syncretistic Japanese cult combining elements of Buddhism, Hinduism, and Christianity, founded by Shoko Asahara in 1986; responsible for a number of murders and in particular a nerve-gas attack on the Tokyo underground in 1995
- australia day — a public holiday in Australia, commemorating the landing of the British in 1788: observed on January 26
- australianism — the Australian national character or spirit
- australianize — (esp of a new immigrant) to adopt or cause to adopt Australian habits and attitudes; integrate into Australian society
- austrian pine — an evergreen tree, Pina nigra austriaca
- austroasiatic — a family of languages spoken in SE Asia and the landsaround the Bay of Bengal and consisting principally of Vietnamese, Khmer, Mon, Khasi, Nicobarese, and the Munda languages.