12-letter words containing s, e, a, t, n
- arc cosecant — the angle, measured in radians, that has a cosecant equal to a given number. Symbol: csc −1. Abbreviation: arc csc;
- 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
- 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
- arm's-length — lacking intimacy or friendliness, esp when possessing some special connection, such as previous closeness
- arming chest — a chest for holding armor and weapons.
- arraignments — Plural form of arraignment.
- arrangements — preparatory measures taken or plans made; preparations
- arseniureted — combined with 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
- arthur evans — Sir Arthur John, 1851–1941, English archaeologist.
- arts student — a person studying an arts subject
- ascensionist — a person who has completed a mountain ascent, esp a notable one
- ascertaining — to find out definitely; learn with certainty or assurance; determine: to ascertain the facts.
- assassinated — Simple past tense and past participle of assassinate.
- assassinates — Third-person singular simple present indicative form of assassinate.
- assentaneous — having a tendency to agree, comply or acquiesce
- assertations — Plural form of assertation.
- asseverating — Present participle of asseverate.
- 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
- astonishable — (obsolete) Astonishing.
- astonishment — Astonishment is a feeling of great surprise.
- astral plane — a plane of existence inhabited by astral bodies
- astringently — In the manner of an astringent.
- at intervals — If something happens at intervals, it happens several times with gaps or pauses in between.
- attendedness — The state or quality of being attended.
- 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
- austenitized — to form austenite in (a ferrous alloy) by heating.
- 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.
- awe-stricken — filled with awe.
- bag snatcher — a thief whose main tactic is to grab women's handbags and run off with them
- bairnsfather — Bruce. 1888–1959, British cartoonist, born in India: best known for his cartoons of the war in the trenches during World War I
- baking sheet — A baking sheet is a flat piece of metal on which you bake foods such as biscuits or pies in an oven.
- balinese cat — a breed of cat with medium-length silky hair, a plumed tail, blue eyes, large ears, and a dark mask, tail, and paws
- ballast line — the level to which a vessel is immersed when in ballast.
- balletomanes — Plural form of balletomane.
- balloon seat — (on some 18th-century chairs) a seat having an outline resembling that of a bell.
- bandersnatch — a fictional creature created by Lewis Carroll in his poem Jabberwocky, and appearing also in The Hunting of the Snark and Through the Looking-Glass
- bandoneonist — One who plays the bandoneon.
- bank deposit — money placed in a bank account
- bankruptcies — Plural form of bankruptcy.