11-letter words containing o, r, s, i
- air station — an airfield, usually smaller than an airport but having facilities for the maintenance of aircraft
- airport bus — a public bus that takes passengers to and from the airport, usually connecting the city centre and (at a large airport) the different terminals
- alleviators — Plural form of alleviator.
- allotropism — a property of certain elements, as carbon, sulfur, and phosphorus, of existing in two or more distinct forms; allomorphism.
- almoravides — a member of a Muslim dynasty ruling in Spain and northern Africa from 1056 to 1147.
- aloha shirt — Hawaiian shirt
- alterations — adjustments
- ambiversion — a condition or character trait that includes elements of both introversion and extroversion
- ambrosially — In an ambrosial manner.
- ameliorates — Third-person singular simple present indicative form of ameliorate.
- amino resin — any thermosetting synthetic resin formed by copolymerization of amines or amides with aldehydes. Amino resins are used as adhesives and as coatings for paper and textiles
- amino-sugar — a monosaccharide with an amino or substituted amino group in place of a nonglycosidic hydroxyl group.
- amphigories — Plural form of amphigory.
- amphoriskos — a miniature amphora.
- anachronism — You say that something is an anachronism when you think that it is out of date or old-fashioned.
- anachronist — A person who has anachronistic views or habits.
- anagnorises — Plural form of anagnorisis.
- anagnorisis — (in Greek tragedy) the recognition or discovery by the protagonist of the identity of some character or the nature of his own predicament, which leads to the resolution of the plot; denouement
- anamorphism — intense metamorphism of a rock in which high-density complex minerals are formed from simpler minerals of lower density
- anaphoresis — the movement of suspended charged particles towards the anode in an electric field
- anaplerosis — the filling up of a scar, wound, etc which has decayed or been destroyed
- ancestorial — of, belonging to, or relating to ancestors
- androgenise — Non-Oxford British standard spelling of androgenize.
- androsphinx — a sphinx having the head of a man
- anglo-irish — the English language as spoken in Ireland
- anisocarpic — (of a flower) having a lower number of carpels than of other floral parts.
- anisocercal — (of fish) having unequal tail-fin lobes
- anisomerous — (of flowers) having floral whorls that differ in the number of their parts
- anisometric — not isometric; having unsymmetrical parts or unequal measurements
- anisopteran — belonging or pertaining to the suborder Anisoptera, comprising the dragonflies.
- anisotropic — not isotropic; having different physical properties in different directions
- anonymizers — Plural form of anonymizer.
- anorthosite — a coarse-grained plutonic igneous rock consisting almost entirely of plagioclase feldspar
- anteversion — abnormal forward tilting of a bodily organ, esp the uterus
- anthracosis — a lung disease due to inhalation of coal dust
- anthropoids — Plural form of anthropoid.
- antibaryons — Plural form of antibaryon.
- anticarious — preventing or retarding caries.
- antiheroism — (literature) The quality of being an antihero.
- antileprosy — acting against leprosy
- antiprotons — Plural form of antiproton.
- antistrophe — the second of two movements made by a chorus during the performance of a choral ode
- aortoclasia — rupture of the aorta.
- aphrodisiac — An aphrodisiac is a food, drink, or drug which is said to make people want to have sex.
- apollinaris — an effervescent mineral water
- aponeurosis — a white fibrous sheet of tissue by which certain muscles are attached to bones
- apoproteins — Plural form of apoprotein.
- apostlebird — an omnivorous bird, Struthidea cinerea, of eastern Australia, that has chiefly dark gray-brown plumage with white tail markings and is noted for its habit of traveling in groups of about 12 related individuals.
- apostrophic — a digression in the form of an address to someone not present, or to a personified object or idea, as “O Death, where is thy sting?”.
- apotropaism — the use of ritual or magic to ward off evil or bad luck