12-letter words containing o, n, s, e
- araneomorphs — Plural form of araneomorph.
- arborescence — treelike in size and form.
- arc cosecant — the angle, measured in radians, that has a cosecant equal to a given number. Symbol: csc −1. Abbreviation: arc csc;
- archdiocesan — Relating to an archdiocese.
- 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).
- arfvedsonite — a type of hornblende with the composition Na3(Fe,Mg)4FeSi8O22(OH)2
- 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
- aristotelian — of or relating to Aristotle or his philosophy
- arseniferous — Lb geology Containing or producing arsenic.
- arseno group — the bivalent group −As=As−.
- 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
- ascensionist — a person who has completed a mountain ascent, esp a notable one
- assentaneous — having a tendency to agree, comply or acquiesce
- assertations — Plural form of assertation.
- asseveration — the act of asseverating.
- 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
- assumed bond — a bond issued by one corporation and assumed as an obligation by another.
- astonishable — (obsolete) Astonishing.
- astonishment — Astonishment is a feeling of great surprise.
- asynchronies — a lack of synchronism or coincidence in time.
- attorneyship — The office or profession of an attorney.
- auction sale — an instance of items being sold by auction
- auction site — a commercial website on which items are sold by internet auction
- austronesian — of or relating to Austronesia, its peoples, or their languages
- autochangers — Plural form of autochanger.
- autochthones — Alternative spelling of autochthons.
- autogenously — In an autogenous manner; spontaneously.
- avowableness — the quality or condition of being avowable
- backboneless — lacking backbone; cowardly
- backwoodsmen — Plural form of backwoodsman.
- bacon-slicer — a machine for cutting bacon into slices
- baker's oven — an oven used esp for baking bread
- balletomanes — Plural form of balletomane.
- balloon seat — (on some 18th-century chairs) a seat having an outline resembling that of a bell.
- 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.
- barnstormers — Plural form of barnstormer.
- base bullion — smelted lead containing impurities, as gold, silver, or zinc, that are later removed.
- base station — a fixed transmitter that forms part of an otherwise mobile radio network
- basset hound — A basset hound is a dog with short strong legs, a long body, and long ears. It is kept as a pet or used for hunting.
- battlefronts — Plural form of battlefront.
- battlewagons — Plural form of battlewagon.
- be no slouch — If you say that someone is no slouch at a particular activity, you mean that they are skilful at it or are willing to work hard at it.
- beaconsfield — a town in SE England, in Buckinghamshire. Pop: 12 292 (2001)
- bean sprouts — the sprouts of newly germinated mung beans, eaten as a vegetable, esp in Chinese dishes
- bean-shooter — peashooter.