13-letter words containing o, n, a, t
- anything goes — If people say 'anything goes', they mean that anything people say or do is considered acceptable, and usually they mean that they do not approve of this.
- aphanipterous — of or relating to the wingless insects of the order Aphaniptera
- apostle plant — a plant, Neomarica northiana, of the iris family, native to Brazil, having large, fragrant white and violet flowers, and often cultivated as a houseplant.
- apostle spoon — a silver spoon with a figure of one of the Apostles on the handle
- apotheosizing — Present participle of apotheosize.
- apperceptions — Plural form of apperception.
- appersonation — the unconscious assumption of the personality characteristics of another, usually well known, person.
- applicational — Of or pertaining to an application.
- apportionable — to distribute or allocate proportionally; divide and assign according to some rule of proportional distribution: to apportion expenses among the three men.
- apportionment — the act of apportioning
- appreciations — Plural form of appreciation.
- appropinquate — to approach
- appropinquity — nearness
- appropriating — Present participle of appropriate.
- appropriation — An appropriation is an amount of money that a government or organization reserves for a particular purpose.
- approximating — Present participle of approximate.
- approximation — An approximation is a fact, object, or description which is similar to something else, but which is not exactly the same.
- apron strings — If you say that someone is tied to another person's apron strings, you mean that they are controlled or influenced too much by the other person.
- arabicization — the gradual change of a culture into one that incorporates Arab culture and/or speaks Arabic
- arachnoiditis — an inflammation of the arachnoid membrane
- arbitrational — relating to, involving, or resulting from arbitration
- arc cotangent — the angle, measured in radians, that has a cotangent equal to a given number. Symbol: cot −1. Abbreviation: arc cot.
- archaeobotany — the analysis and interpretation of plant remains found at archaeological sites
- architectonic — denoting, relating to, or having architectural qualities
- argentiferous — containing or bearing silver
- argumentation — Argumentation is the process of arguing in an organized or logical way, for example in philosophy.
- aridification — the process by which a humid region becomes increasingly dry, as by climatic change or human interference with the ecology.
- aristolochene — (organic compound) A bicyclic sesquiterpene produced by certain fungi.
- armor-plating — The armor-plating on a vehicle or building is the hard metal covering that is intended to protect it from gunfire and other missiles.
- aromatization — the conversion of aliphatic or alicyclic compounds to aromatic hydrocarbons.
- arteriovenous — of, relating to, or affecting an artery and a vein
- arthroconidia — Plural form of arthroconidium.
- articulations — Plural form of articulation.
- as we know it — If you talk about a thing or system as we know it, you are referring to the form in which it exists now and which is familiar to most people.
- ascensiontide — the ten days from Ascension Day to the day before Whit Sunday
- ashtanga yoga — a vigorous form of yoga involving a sequence of poses
- aspirationals — Plural form of aspirational.
- assassination — to kill suddenly or secretively, especially a politically prominent person; murder premeditatedly and treacherously.
- assassinators — Plural form of assassinator.
- asset account — An asset account is an account that records the assets owned by a company.
- assimilations — Plural form of assimilation.
- associational — relating to association or alliance or an association, alliance or affiliation
- assumptionist — Augustinian of the Assumption.
- astereognosis — inability to recognize objects by touch
- asthenosphere — a thin semifluid layer of the earth (100–200 km thick), below the outer rigid lithosphere, forming part of the mantle and thought to be able to flow vertically and horizontally, enabling sections of lithosphere to subside, rise, and undergo lateral movement
- astonishingly — causing astonishment or surprise; amazing: an astonishing victory; an astonishing remark.
- astonishments — Plural form of astonishment.
- astrodynamics — the study of the motion of natural and artificial bodies in space
- astronautical — of or relating to astronautics or astronauts.
- at a discount — below the regular price