13-letter words containing s, i, u
- amphithalamus — (in an ancient Greek house) a room adjoining the thalamus.
- amphitrichous — having a single flagellum at each end.
- ancus marcius — a king of Rome, during whose reign the first bridge across the Tiber was constructed.
- anfractuosity — the condition or quality of being anfractuous
- angiospermous — of or relating to an angiosperm; having enclosed seeds.
- Ångstrom unit — a unit of length equal to 10 −10 metre, used principally to express the wavelengths of electromagnetic radiations. It is equivalent to 0.1 nanometre
- anisophyllous — having leaves of different shapes or sizes.
- annunciations — Plural form of annunciation.
- ante-christum — before Christ. Abbreviation: A.C.
- antenniferous — having antennae
- anti-humanist — a person having a strong interest in or concern for human welfare, values, and dignity.
- anti-populism — (lowercase) any of various, often antiestablishment or anti-intellectual political movements or philosophies that offer unorthodox solutions or policies and appeal to the common person rather than according with traditional party or partisan ideologies.
- anti-universe — a universe made up of antimatter, postulated to exist far out in space
- anticommunism — the opposition to communism
- anticommunist — (initial capital letter) a member of the Communist Party or movement.
- antidiuretics — Plural form of antidiuretic.
- antigonus (i) — 382-301 b.c.; Macedonian general under Alexander the Great: king of Macedonia (306-301)
- antineutrinos — Plural form of antineutrino.
- antiochus iii — known as Antiochus the Great. 242–187 bc, king of Syria (223–187), who greatly extended the Seleucid empire but was forced (190) to surrender most of Asia Minor to the Romans
- antipruritics — Plural form of antipruritic.
- antique glass — pot metal (def 4).
- antireligious — opposed to religious ideas, beliefs, and organizations
- antiritualism — opposed to ritualism
- antiscorbutic — preventing or curing scurvy
- antisexuality — the opposition to sexuality or sexual activity
- antismuggling — acting to prevent or reduce smuggling
- antisubmarine — (of weapons, missiles, etc) designed to combat or destroy submarines
- antisudorific — an antiperspirant.
- anzac biscuit — a sweet biscuit containing oats, coconut, and syrup
- aphanipterous — of or relating to the wingless insects of the order Aphaniptera
- appoggiaturas — Plural form of appoggiatura.
- aptitude test — An aptitude test is a test that is specially designed to find out how easily and how well you can do something.
- aquaculturist — a person who practises aquaculture
- arachnivorous — Spider-eating.
- 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
- as much again — twice as much
- assault rifle — a firearm that is capable of firing multiple rounds in a very short period
- assiduousness — constant; unremitting: assiduous reading.
- assumptionist — Augustinian of the Assumption.
- asti spumante — a sweet, sparkling Italian white wine with a muscat flavor.
- astronautical — of or relating to astronautics or astronauts.
- at a discount — below the regular price