12-letter words containing a, c, e, i, t
- archeologist — archaeology.
- archetypical — Archetypical means the same as archetypal.
- archibenthos — the ocean bottom between the littoral and abyssal zones: from depths of approximately 200 feet (60 meters) to 3300 feet (1000 meters).
- architecting — a person who engages in the profession of architecture.
- 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)
- arithmetical — Arithmetical calculations, processes, or skills involve the addition, subtraction, multiplication, or division of numbers.
- arming chest — a chest for holding armor and weapons.
- art director — a person responsible for the sets and costumes in a film
- articulately — uttered clearly in distinct syllables.
- articulative — relating to articulation
- artiodactyle — (zoology) One of the Artiodactyla, a group of ungulates.
- 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
- assuefaction — the condition of being or becoming familiar with or used to something
- astigmoscope — astigmatoscope.
- 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 any price — If you want something at any price, you are determined to get it, even if unpleasant things happen as a result.
- atactostelic — Of or possessing an atactostele.
- atheological — having an aversion or resistance to theology
- atheoretical — having no connection with and not founded on theory
- athletically — physically active and strong; good at athletics or sports: an athletic child.
- atmospherics — Atmospherics are elements in something such as a piece of music or a book which create a certain atmosphere.
- atomic power — nuclear power.
- attractively — In an attractive manner; with the power of attracting or drawing to.
- au contraire — on the contrary
- auction sale — an instance of items being sold by auction
- auction site — a commercial website on which items are sold by internet auction
- auctioneered — Simple past tense and past participle of auctioneer.
- authenticate — If you authenticate something, you state officially that it is genuine after examining it.
- authenticity — the quality or state of being authentic; reliability; genuineness
- autocritique — the examination of factors guiding one's thoughts, beliefs and actions; self-criticism
- autoeciously — in an autoecious manner
- autoinjector — A medical device designed to deliver a single dose of a particular, typically life-saving, drug.
- autoreactive — (immunology, medicine) Acting against the organism by which it was produced.
- autotheistic — Self-worshiping; prideful in the extreme.
- awe-stricken — filled with awe.
- axisymmetric — being symmetrical around an axis
- b-s particle — a neutral meson with a mass 10,507 times that of the electron and a mean lifetime of approximately 1.6 X 10 -12 seconds.
- back-kitchen — a room off a main kitchen, usually further towards the back of the house where washing-up or preparatory cooking work might be done; a scullery
- backstitches — Plural form of backstitch.
- bacteria bed — a layer of sand or gravel used to expose sewage effluent, in its final stages, to air and the action of microorganisms
- bactericidal — any substance capable of killing bacteria.
- bactericides — Plural form of bactericide.
- bacteriocide — Alternative form of bactericide.
- bacteriology — Bacteriology is the science and the study of bacteria.
- bacteriostat — any substance that arrests the growth or reproduction of bacteria but does not kill them