12-letter words containing o, n, a, t
- arba kanfoth — a rectangular piece of cloth with fringes at the four corners and a hole in the center for the head, worn under the clothes by Orthodox Jewish males.
- arbitrations — Plural form of arbitration.
- arborization — a branching treelike appearance in certain fossils and minerals
- arc cosecant — the angle, measured in radians, that has a cosecant equal to a given number. Symbol: csc −1. Abbreviation: arc csc;
- archaization — Process of becoming or turning something more archaic.
- archegoniate — having archegonia
- archenterons — Plural form of archenteron.
- archibenthos — the ocean bottom between the littoral and abyssal zones: from depths of approximately 200 feet (60 meters) to 3300 feet (1000 meters).
- arctic ocean — the ocean surrounding the North Pole, north of the Arctic Circle. Area: about 14 100 000 sq km (5 440 000 sq miles)
- arfvedsonite — a type of hornblende with the composition Na3(Fe,Mg)4FeSi8O22(OH)2
- aristophanes — ?448–?380 bc, Greek comic dramatist, who satirized leading contemporary figures such as Socrates and Euripides. Eleven of his plays are extant, including The Clouds, The Frogs, The Birds, and Lysistrata
- aristophanic — 448?–385? b.c, Athenian comic dramatist.
- aristotelian — of or relating to Aristotle or his philosophy
- arithmomania — an obsessive desire to count objects, or a fixation with numbers and calculations
- arms control — an agreement between two or more countries to reduce the number of weapons owned, with the aim of preventing war
- around about — Around about means approximately.
- arpeggiation — the writing, playing or singing of arpeggios
- arsenopyrite — a white or grey metallic mineral consisting of a sulphide of iron and arsenic that forms monoclinic crystals with an orthorhombic shape: an ore of arsenic. Formula: FeAsS
- arson attack — an attack when property is set fire to
- articulation — Articulation is the action of producing a sound or word clearly, in speech or music.
- arts council — an organization that provides funding for a variety of arts activities
- ascensionist — a person who has completed a mountain ascent, esp a notable one
- asphyxiation — Asphyxiation is a lack of oxygen in blood, which causes suffocation.
- aspirational — If you describe someone as aspirational, you mean that they have strong hopes of moving to a higher social status.
- assassinator — a person who assassinates
- assentaneous — having a tendency to agree, comply or acquiesce
- assertations — Plural form of assertation.
- asseveration — the act of asseverating.
- assibilation — (linguistics) A sound change resulting in a sibilant consonant, commonly the final phase of palatalization.
- assignations — Plural form of assignation.
- assimilation — an assimilating or being assimilated
- assimulation — Obsolete form of assimilation.
- associations — Plural form of association.
- assortedness — the position of being sorted, grouped or harmonized with, well or badly, or provided with a good or bad assortment or mixture
- assuefaction — the condition of being or becoming familiar with or used to something
- astanga yoga — a revived ancient form of yoga that involves a fast and powerful series of movements
- astonishable — (obsolete) Astonishing.
- astonishment — Astonishment is a feeling of great surprise.
- astoundingly — capable of overwhelming with amazement; stunningly surprising.
- astrodynamic — Pertaining to astrodynamics.
- astronautics — the science and technology of space flight
- astronomical — If you describe an amount, especially the cost of something as astronomical, you are emphasizing that it is very large indeed.
- astroturfing — a PR tactic used in politics and advertising in which actors are paid to display overt and apparently spontaneous grassroots support for a particular product, policy, or event
- at long last — finally, after difficulty, delay, or irritation
- athos, mount — autonomous monastic district occupying the tip of the easternmost prong of the Chalcidice peninsula, NE Greece: 130 sq mi (337 sq km); pop. 1,500
- atorvastatin — a statin, (C 33 H 34 FN 2 O 5) 2 ·Ca 3 H 2 O, used in the prevention and treatment of heart disease.
- attenborough — Sir David. born 1926, British naturalist and broadcaster; noted esp for his TV series Life on Earth (1978), The Living Planet (1983), The Life of Birds (1998), The Life of Mammals (2002), and First Life (2010)
- attitudinous — (informal) Having a bold and possibly unfriendly attitude; sassy.
- attorneyship — The office or profession of an attorney.
- attributions — Plural form of attribution.