12-letter words containing a, l, t, o
- antisepalous — facing the sepals or calyx leaf
- antisociable — Antisocial.
- antisocially — In an antisocial manner.
- antitumoural — acting against or upon tumours
- antiviolence — opposed to or acting against violence in society
- 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.
- aplanogamete — a nonmotile gamete or conjugating cell found in lower algae
- apocalyptist — the writer of the Apocalypse or a related work
- apodeictical — Apodeictic.
- apolitically — in an apolitical manner
- apostle bird — a gregarious grey-and-brown Australian nest-building bird, Struthidea cinerea
- apostolicity — the quality of being apostolic
- apparitional — of or relating to an apparition or apparitions; ghostly, spectral
- appeal court — An appeal court is the same as a Court of Appeal.
- appellations — Plural form of appellation.
- apple maggot — a fruit fly, Rhagoletis pomonella, the larvae of which bore into and feed on the fruit of apple trees: family Trypetidae
- apple newton — (computer) A Personal Digital Assistant produced by Apple Computer. The Newton provides a clever, user-friendly interface and relies solely on pen-based input. Eagerly anticipated, the Newton uses handwriting recognition software to "learn" the users handwriting and provide reliable character recognition. Various third-party software applications are available and add-on peripherals like wireless modems for Internet access are being sold by Apple Computer, Inc. and its licensees.
- applications — Plural form of application.
- appositional — the act of placing together or bringing into proximity; juxtaposition.
- 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.
- assault boat — a portable boat used for landing troops on beaches and for crossing rivers.
- assibilation — (linguistics) A sound change resulting in a sibilant consonant, commonly the final phase of palatalization.
- assimilation — an assimilating or being assimilated
- assimilators — Plural form of assimilator.
- assimilatory — characterized by assimilation; assimilating.
- assimulation — Obsolete form of assimilation.
- astacologist — a person who investigates and analyses crayfish
- astonishable — (obsolete) Astonishing.
- astoundingly — capable of overwhelming with amazement; stunningly surprising.