12-letter words containing a, l, o, t, r
- amelioratory — tending to ameliorate
- anchor light — a 32-point light, visible from at least two miles away, shown at night near the bow and not more than 20 feet (6 meters) above the deck of a vessel lying at anchor.
- anchor plant — a South American shrub, Colletia cruciata, of the buckthorn family, having flattened green branches and yellowish-white flowers.
- anchoritical — in the manner of or resembling an anchorite
- angelo patri — Angelo [an-juh-loh] /ˈæn dʒəˌloʊ/ (Show IPA), 1877–1965, U.S. educator and writer, born in Italy.
- anisothermal — (thermodynamics) Of or pertaining to a system that is not in thermal equilibrium, that does not have a single fixed temperature.
- annihilatory — Causing annihilation.
- anorthoclase — a variety of microcline, rich in sodium and sometimes having a play of color: sometimes considered a variety of orthoclase.
- anthologiser — Alternative spelling of anthologizer.
- anthologizer — an anthologist; a creator of an anthology
- anthropoglot — An animal with tongue similar to humans allowing human-like speech.
- anthropoidal — Anthropoid.
- anthropology — Anthropology is the scientific study of people, society, and culture.
- anti-tumoral — a swollen part; swelling; protuberance.
- antielectron — an elementary particle with a positive charge, a positron
- antigropelos — waterproof leggings used to protect against mud
- antirational — opposed to rationalism
- antireligion — opposed to religion
- antiroll bar — a horizontal bar in the suspension system of some automotive vehicles, that stabilizes the body of the vehicle and thereby reduces sway, esp. during turns
- antiroyalism — Opposition to royals or royalism.
- antiroyalist — opposed to the monarchy
- antitumoural — acting against or upon tumours
- anton sailer — Anton [ahn-tohn] /ˈɑn toʊn/ (Show IPA), ("Toni") 1935–2009, Austrian skier.
- aortic valve — a semilunar valve between the aorta and the left ventricle of the heart that prevents the blood from flowing back into the left ventricle.
- aphoristical — Alternative form of aphoristic.
- apostle bird — a gregarious grey-and-brown Australian nest-building bird, Struthidea cinerea
- apparitional — of or relating to an apparition or apparitions; ghostly, spectral
- appeal court — An appeal court is the same as a Court of Appeal.
- araeosystyle — (of columned buildings) having an alternately very wide and very narrow intercolumniation
- archeologist — archaeology.
- arctophilist — a collector of teddy bears
- aristolochia — any of various plants of the genus Aristolochia of the family Aristolochiaceae
- aristotelian — of or relating to Aristotle or his philosophy
- armor-plated — An armor-plated vehicle or building has a hard metal covering in order to protect it from gunfire and other missiles.
- armour plate — a tough heavy steel, usually containing chromium, nickel, and molybdenum and often hardened on the surface, used for protecting warships, tanks, etc
- arms control — an agreement between two or more countries to reduce the number of weapons owned, with the aim of preventing war
- aromatically — having an aroma; fragrant or sweet-scented; odoriferous.
- arousability — to stimulate sexually.
- art mobilier — small, movable art objects, especially primitive or prehistoric works of art.
- arthroplasty — surgical repair of a diseased joint
- articulation — Articulation is the action of producing a sound or word clearly, in speech or music.
- articulators — Plural form of articulator.
- articulatory — an act or the process of articulating: the articulation of a form; the articulation of a new thought.
- artiodactyle — (zoology) One of the Artiodactyla, a group of ungulates.
- artiodactyls — Plural form of artiodactyl.
- arts council — an organization that provides funding for a variety of arts activities
- asphalt rock — a rock formation, usually of limestone or sandstone, containing large amounts of bitumens.
- aspirational — If you describe someone as aspirational, you mean that they have strong hopes of moving to a higher social status.
- assimilators — Plural form of assimilator.
- assimilatory — characterized by assimilation; assimilating.