12-letter words containing o, u, s
- anacrogynous — having the female sex organs arising from any cell below the apex of the stem, thereby not terminating its growth, as certain liverworts.
- anemochorous — (of a fruit, seed, or spore) adapted for dispersion by wind.
- anemophilous — (of flowering plants such as grasses) pollinated by the wind
- angiocarpous — being or having fruit contained in a vessel such as a shell
- angiostomous — having a narrow opening
- animalculous — a minute or microscopic animal, nearly or quite invisible to the naked eye, as an infusorian or rotifer.
- ankylosaurus — a plant-eating dinosaur of the Cretaceous period that had a tail resembling a club and a body covering of thick scales
- annunciators — Plural form of annunciator.
- anotherguess — of a different type or kind; different
- anthocarpous — resembling or pertaining to an anthocarp
- anthophagous — That feeds on flowers.
- anthophilous — (esp of insects) frequenting flowers
- anticonsumer — opposed to consumerism
- antigonus ii — (Gonatus) c319–239 b.c, king of Macedonia 283–239 (son of Demetrius I).
- antimosquito — acting against mosquitoes
- antineutrons — Plural form of antineutron.
- antinucleons — Plural form of antinucleon.
- antiochus iv — ?215–164 bc, Seleucid king of Syria (175–164), who attacked the Jews and provoked the revolt of the Maccabees
- antipetalous — standing before the petals of a plant
- antique shop — a shop where antiques are sold
- antisepalous — facing the sepals or calyx leaf
- antoninianus — an ancient Roman coin made either of silver or bronze and equal in value to two denarii
- anxious seat — a bench near the preacher at revival meetings, for those with a troubled conscience who seek salvation
- apocynaceous — of, relating to, or belonging to the Apocynaceae, a family of mostly tropical flowering plants with latex in their stems, including the dogbane, periwinkle, oleander, and some lianas
- appressorium — a flattened hypha of a parasitic fungus that penetrates the host tissues
- arch support — a rigid support placed inside a shoe so that its molded form fits the arch of the foot and relieves strain on the muscles of the foot while walking, standing, etc.
- archesporium — archespore.
- archosaurian — belonging to or characteristic of the archosaurs
- argillaceous — (of sedimentary rocks and deposits) composed of very fine-grained material, such as clay, shale, etc
- arousability — to stimulate sexually.
- arseniferous — Lb geology Containing or producing arsenic.
- arseno group — the bivalent group −As=As−.
- arsino group — the univalent group H 2 As−.
- articulators — Plural form of articulator.
- arts council — an organization that provides funding for a variety of arts activities
- ascomycetous — belonging or pertaining to the Ascomycota.
- ash-coloured — silver-grey in colour
- assault boat — a portable boat used for landing troops on beaches and for crossing rivers.
- assentaneous — having a tendency to agree, comply or acquiesce
- assimulation — Obsolete form of assimilation.
- assuefaction — the condition of being or becoming familiar with or used to something
- assumed bond — a bond issued by one corporation and assumed as an obligation by another.
- astoundingly — capable of overwhelming with amazement; stunningly surprising.
- astronautics — the science and technology of space flight
- astrotourist — a person who pays to travel into space as a form of recreation
- astroturfing — a PR tactic used in politics and advertising in which actors are paid to display overt and apparently spontaneous grassroots support for a particular product, policy, or event
- asynchronous — An asynchronous electric machine is one in which the magnetic field and the rotation are not exactly the same.
- at all hours — If you say that something happens at all hours of the day or night, you disapprove of it happening at the time that it does or as often as it does.
- atheromatous — a sebaceous cyst.
- athos, mount — autonomous monastic district occupying the tip of the easternmost prong of the Chalcidice peninsula, NE Greece: 130 sq mi (337 sq km); pop. 1,500