11-letter words containing s, t, o, r
- allotropous — (of flowers) having the nectar accessible to any species of insect
- aloha shirt — Hawaiian shirt
- alt.sources — (messaging, programming) A Usenet newsgroup for posting program source code.
- altar stone — a large stone used as an altar
- alterations — adjustments
- alternators — Plural form of alternator.
- altostratus — Altostratus is a type of thick gray cloud that forms at intermediate altitudes.
- ameliorates — Third-person singular simple present indicative form of ameliorate.
- anachronist — A person who has anachronistic views or habits.
- anastrophes — Plural form of anastrophe.
- anastrozole — an anti-oestrogen drug used in the treatment of breast cancer in post-menopausal women
- ancestorial — of, belonging to, or relating to ancestors
- anchor shot — grapple shot.
- anemometers — Plural form of anemometer.
- anfractuous — characterized by twists and turns; convoluted
- 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
- anorthosite — a coarse-grained plutonic igneous rock consisting almost entirely of plagioclase feldspar
- anteversion — abnormal forward tilting of a bodily organ, esp the uterus
- anthracnose — any of several fungus diseases of plants and trees, such as vines and beans, characterized by oval dark depressed spots on the fruit and elsewhere
- 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.
- apatosaurus — brontosaurus
- 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.
- apostrophes — Plural form of apostrophe.
- 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?”.
- apostrophus — a symbol resembling a reversed letter C used in Roman numerals to denote large numbers
- apotropaism — the use of ritual or magic to ward off evil or bad luck
- apparations — Plural form of apparation.
- apparitions — Plural form of apparition.
- applicators — Plural form of applicator.
- aprioristic — belief in, or reliance upon, a priori reasoning, arguments, or principles.
- apron stage — a stage that projects into the auditorium so that the audience sit on three sides of it
- aqua fortis — nitric acid
- aquafortist — a person who makes engravings or etchings through the use of aqua fortis
- arbitrators — Plural form of arbitrator.
- arborescent — having the shape or characteristics of a tree
- arborvitaes — Plural form of arborvitae.
- aristocracy — The aristocracy is a class of people in some countries who have a high social rank and special titles.
- aristocrats — Plural form of aristocrat.
- aristoteles — a walled plain in the first quadrant of the face of the moon: about 60 miles (97 km) in diameter.