11-letter words containing i, r, t, s
- apparations — Plural form of apparation.
- apparitions — Plural form of apparition.
- applescript — (language) An object-oriented shell language for the Macintosh, approximately a superset of HyperTalk.
- applicators — Plural form of applicator.
- appreciates — to be grateful or thankful for: They appreciated his thoughtfulness.
- apprentices — Plural form of apprentice.
- aprioristic — belief in, or reliance upon, a priori reasoning, arguments, or principles.
- aqua fortis — nitric acid
- aquafortist — a person who makes engravings or etchings through the use of aqua fortis
- aquarellist — (arts) An artist who paints aquarelles.
- arbitraries — subject to individual will or judgment without restriction; contingent solely upon one's discretion: an arbitrary decision.
- arbitrators — Plural form of arbitrator.
- arborvitaes — Plural form of arborvitae.
- architraves — Plural form of architrave.
- archpriests — Plural form of archpriest.
- arctic seal — rabbit fur that has been sheared and dyed to simulate sealskin.
- arctic skua — a predatory gull-like bird, Stercorarius parasiticus, which harasses terns or gulls into dropping or disgorging fish they have caught; it breeds in northern Eurasia and North America
- aristarchus — a crater in the NE quadrant of the moon, having a diameter of about 37 kilometres, which is the brightest formation on the moon
- 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.
- arithmetics — Plural form of arithmetic.
- arkeologist — Someone who studies the story of Noah's Ark, particularly by searching for physical evidence which would corroborate it.
- armentieres — a town in N France: site of battles in both World Wars. Pop: 25 273 (1999)
- arrestation — the slowing or stopping of the development or progress of something
- arrestingly — attracting or capable of attracting attention or interest; striking: an arresting smile.
- arrhythmias — Plural form of arrhythmia.
- ars antiqua — the style of composition characteristic of the 13th century, especially in France.
- ars poetica — the art of poetry
- arsenicated — Treated with arsenate or other arsenic compound.
- art history — study of art through the ages
- artemisinin — a drug obtained from the plant genus Artemisia and used to treat malaria
- arthralgias — Plural form of arthralgia.
- arthritides — (medicine) Plural form of arthritis.
- arthrodesis — the fusion of bones in a joint through surgery which causes immobility of the joint
- articulates — Express (an idea or feeling) fluently and coherently.
- artilleries — Plural form of artillery.
- artillerist — a person who uses or is a member of the artillery
- artisanship — the occupation or product of a craftsperson or artisan
- asbestiform — having the look or structure of asbestos
- ascertained — to find out definitely; learn with certainty or assurance; determine: to ascertain the facts.
- ascriptions — Plural form of ascription.
- asperations — Plural form of asperation.
- aspergation — the action of sprinkling, suffusing or irrigating with water
- aspheterise — to deny the right of private property
- aspheterism — the teaching that all property should be in common ownership and no individual should benefit from personal possession
- aspheterize — to observe or engage in aspheterism
- asphyxiator — to produce asphyxia in.
- aspidistras — Plural form of aspidistra.
- aspirations — a strong desire, longing, or aim; ambition: intellectual aspirations.