12-letter words containing o, n, s, i
- ariel sharon — Ariel, 1928–2014, Israeli military and political leader; prime minister 2001–06.
- 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
- arseniferous — Lb geology Containing or producing arsenic.
- 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
- arsino group — the univalent group H 2 As−.
- 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
- 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.
- assuefaction — the condition of being or becoming familiar with or used to something
- 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
- asynchronies — a lack of synchronism or coincidence in time.
- asynchronism — a lack of synchronism; occurrence at different times
- 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.
- attitudinous — (informal) Having a bold and possibly unfriendly attitude; sassy.
- attorneyship — The office or profession of an attorney.
- attributions — Plural form of attribution.
- auction sale — an instance of items being sold by auction
- auction site — a commercial website on which items are sold by internet auction
- auscultation — the diagnostic technique in medicine of listening to the various internal sounds made by the body, usually with the aid of a stethoscope
- austronesian — of or relating to Austronesia, its peoples, or their languages
- autoanalysis — Psychoanalysis. self-analysis.
- autohypnosis — the process or result of self-induced hypnosis
- avitaminosis — any disease caused by a vitamin deficiency in the diet
- backcrossing — (genetics) The crossing of a hybrid with one of its parents or an individual genetically similar to its parent.
- backsolution — The process or result of backsolving.
- backstopping — a wall, wire screen, or the like, serving to prevent a ball from going too far beyond the normal playing area.
- bacon-slicer — a machine for cutting bacon into slices
- balloon sail — a large light bellying sail used in light winds
- bandoneonist — One who plays the bandoneon.
- bank deposit — money placed in a bank account
- banksia rose — a climbing rose, Rosa banksiae, native to China, having long, serrated leaves and white or yellow flowers.
- barnstorming — A barnstorming performance is full of energy and very exciting to watch.
- barodynamics — the branch of mechanics concerned with heavy structures