12-letter words containing r, e, i, t, a
- architecture — Architecture is the art of planning, designing, and constructing buildings.
- 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.
- arctic ocean — the ocean surrounding the North Pole, north of the Arctic Circle. Area: about 14 100 000 sq km (5 440 000 sq miles)
- 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
- arithmetical — Arithmetical calculations, processes, or skills involve the addition, subtraction, multiplication, or division of numbers.
- armamentaria — the aggregate of equipment, methods, and techniques available to one for carrying out one's duties: The stethoscope is still an essential part of the physician's armamentarium.
- arming chest — a chest for holding armor and weapons.
- arpeggiation — the writing, playing or singing of arpeggios
- arraignments — Plural form of arraignment.
- arrival date — Your arrival date is the date that you are expected to come to a hotel or other location.
- arrival time — the time when someone or something arrives, arrived, or will arrive
- 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
- art director — a person responsible for the sets and costumes in a film
- art mobilier — small, movable art objects, especially primitive or prehistoric works of art.
- artaxerxes i — died 425 bc, king of Persia (465–425): son of Xerxes I
- arterialized — Simple past tense and past participle of arterialize.
- arteriograms — Plural form of arteriogram.
- arteriopathy — Any disease of the arteries.
- arthrotomies — Plural form of arthrotomy.
- articulately — uttered clearly in distinct syllables.
- articulative — relating to articulation
- artillerists — Plural form of artillerist.
- artilleryman — a serviceman who serves in an artillery unit
- artillerymen — Plural form of artilleryman.
- artiodactyle — (zoology) One of the Artiodactyla, a group of ungulates.
- 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
- 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
- asteriskless — having no asterisk
- astigmatizer — a cylindrical lens used in a rangefinder to draw out the point image of a point source into a line.
- astigmometer — an apparatus for measuring the degree of astigmatism.
- astringently — In the manner of an astringent.
- astrochemist — (chemistry, astronomy) A chemist or astronomer whose speciality is astrochemistry.
- asymmetrical — Something that is asymmetrical has two sides or halves that are different in shape, size, or style.
- at a premium — If something is at a premium, it is wanted or needed, but is difficult to get or achieve.
- at any price — If you want something at any price, you are determined to get it, even if unpleasant things happen as a result.
- at intervals — If something happens at intervals, it happens several times with gaps or pauses in between.
- at this rate — If you say that at this rate something bad or extreme will happen, you mean that it will happen if things continue to develop as they have been doing.
- atheoretical — having no connection with and not founded on theory
- atmospherics — Atmospherics are elements in something such as a piece of music or a book which create a certain atmosphere.
- atmospherium — an optical system used to simulate images of atmospheric phenomena, as cloud formations, storms, and day and night, on the inside of a dome.
- atomic power — nuclear power.
- attorneyship — The office or profession of an attorney.
- attractively — In an attractive manner; with the power of attracting or drawing to.