13-letter words containing io
- 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.
- apprehensions — Plural form of apprehension.
- appropriation — An appropriation is an amount of money that a government or organization reserves for a particular purpose.
- approximation — An approximation is a fact, object, or description which is similar to something else, but which is not exactly the same.
- arabicization — the gradual change of a culture into one that incorporates Arab culture and/or speaks Arabic
- arbitrational — relating to, involving, or resulting from arbitration
- 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.
- aromatization — the conversion of aliphatic or alicyclic compounds to aromatic hydrocarbons.
- arteriography — the X-ray examination of an artery or arterial system after injection of a contrast medium into the bloodstream
- arteriovenous — of, relating to, or affecting an artery and a vein
- articulations — Plural form of articulation.
- ascension day — the 40th day after Easter, when the Ascension of Christ into heaven is celebrated
- ascensiontide — the ten days from Ascension Day to the day before Whit Sunday
- aspirationals — Plural form of aspirational.
- assassination — to kill suddenly or secretively, especially a politically prominent person; murder premeditatedly and treacherously.
- assimilations — Plural form of assimilation.
- associational — relating to association or alliance or an association, alliance or affiliation
- assumptionist — Augustinian of the Assumption.
- assyriologist — A person who studies ancient Assyria.
- atrabilarious — Characterized by melancholy or gloom.
- atrociousness — The state of being atrocious.
- attributional — of or relating to the act of attributing
- auction block — Also called block. a platform from which an auctioneer sells: the old courthouse where slaves were sold from the auction block.
- auction house — a commercial company that specializes in selling items at auction
- auction pitch — a variety of all fours in which players bid to determine the trump or pitch.
- auctioneering — Present participle of auctioneer.
- audaciousness — Risky or daring behaviour.
- audio-lingual — pertaining to listening comprehension and speaking, especially in learning a foreign language.
- audiocassette — a cassette containing audiotape
- audiographics — audiographic teleconferencing
- augmentations — Plural form of augmentation.
- authorisation — Alternative spelling of authorization.
- authorization — an authorizing or being authorized
- autobiography — Your autobiography is an account of your life, which you write yourself.
- autodigestion — (biology) The digestion of tissue by enzymes produced by the organism itself.
- autoinfection — infection by a pathogenic agent already within the body or infection transferred from one part of the body to another
- autooxidation — autoxidation.
- autoradiogram — autoradiograph
- averruncation — the act of averting or turning away
- aviation fuel — fuel used to power airplanes
- avocationally — in one's leisure time
- axiomatically — pertaining to or of the nature of an axiom; self-evident; obvious.
- back emission — the secondary emission of electrons from an anode
- back mutation — the reversion of a mutant to the original phenotype