12-letter words containing e, s, t, i
- antitussives — Plural form of antitussive.
- anton sailer — Anton [ahn-tohn] /ˈɑn toʊn/ (Show IPA), ("Toni") 1935–2009, Austrian skier.
- anxious seat — a bench near the preacher at revival meetings, for those with a troubled conscience who seek salvation
- apostle bird — a gregarious grey-and-brown Australian nest-building bird, Struthidea cinerea
- apostrophise — to address by apostrophe.
- apostrophize — to address an apostrophe to
- apothecaries — Plural form of apothecary.
- apotheosized — Simple past tense and past participle of apotheosize.
- appellations — Plural form of appellation.
- appellatives — Plural form of appellative.
- appendicitis — Appendicitis is an illness in which a person's appendix is infected and painful.
- appetisement — appetite or hunger
- appetisingly — Alternative spelling of appetizingly.
- applied arts — arts that are put to practical use
- appointments — Plural form of appointment.
- appositeness — The state of being apposite.
- appraisement — the act of estimating or judging the nature or value of something or someone.
- appreciators — to be grateful or thankful for: They appreciated his thoughtfulness.
- apprentisage — Obsolete form of apprenticeage.
- appropriates — suitable or fitting for a particular purpose, person, occasion, etc.: an appropriate example; an appropriate dress.
- approximates — near or approaching a certain state, condition, goal, or standard.
- aquaintances — Plural form of aquaintance.
- arbitrageurs — Plural form of arbitrageur.
- archeologist — archaeology.
- archibenthos — the ocean bottom between the littoral and abyssal zones: from depths of approximately 200 feet (60 meters) to 3300 feet (1000 meters).
- archive site — (networking) (Or "FTP site", "FTP archive") An Internet host where program source, documents, e-mail or news messages are stored for public access via anonymous FTP, Gopher, web or other document distribution system. There may be several archive sites (mirrors) for, e.g., a Usenet newsgroup though one may be recognised as the main one. FTP servers were common on the Internet for about ten years but have been largely replaced by web servers since the invention of the World-Wide Web and its HTTP protocol. Some well-known archive sites included Imperial College, UK, UUNET, USA, GNU archive site. The archie service attempted to index the contents of FTP archives, foreshadowing the indexing of the web by Google and others.
- 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
- arming chest — a chest for holding armor and weapons.
- arraignments — Plural form of arraignment.
- 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
- artaxerxes i — died 425 bc, king of Persia (465–425): son of Xerxes I
- arteriograms — Plural form of arteriogram.
- arthrotomies — Plural form of arthrotomy.
- artillerists — Plural form of artillerist.
- 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.
- aspect ratio — the ratio of width to height of the picture on a television or cinema screen
- assassinated — Simple past tense and past participle of assassinate.
- assassinates — Third-person singular simple present indicative form of assassinate.
- assaultively — in an assaultive manner
- assemblagist — a creative person or artist who is skilled in putting together works of art based on assemblage
- assertations — Plural form of assertation.
- asseverating — Present participle of asseverate.
- asseveration — the act of asseverating.
- asseverative — characterized by or relating to solemn declaration or affirmation
- assimilative — of or causing assimilation; assimilating
- assuefaction — the condition of being or becoming familiar with or used to something