11-letter words containing i, a
- arbitrement — the act of arbitrating; arbitration.
- arbor vitae — any of several Asian and North American evergreen coniferous trees of the genera Thuja and Thujopsis, esp Thuja occidentalis, having tiny scalelike leaves and egglike cones
- arborvitaes — Plural form of arborvitae.
- arboviruses — Plural form of arbovirus.
- arc welding — a technique in which metal is welded by heat generated by an electric arc struck between two electrodes or between one electrode and the metal workpiece
- archaeornis — an extinct primitive Jurassic bird, formerly placed in the genus Archaeornis but now thought to be a species of archaeopteryx
- archaeozoic — Archeozoic
- archaically — marked by the characteristics of an earlier period; antiquated: an archaic manner; an archaic notion.
- archaicisms — Plural form of archaicism.
- archangelic — Theology. a chief or principal angel; in medieval angelology one of the nine orders of celestial attendants on God. Compare angel (def 1).
- archbishops — Plural form of archbishop.
- archdiocese — An archdiocese is the area over which an archbishop has control.
- archduchies — Plural form of archduchy.
- archegonial — relating to an archegonium
- archegonium — a female sex organ, occurring in mosses, spore-bearing vascular plants, and gymnosperms, that produces a single egg cell in its swollen base
- archenemies — Plural form of archenemy.
- archenteric — Of or pertaining to an archenteron.
- archeologic — (American spelling) alternative spelling of archaeologic.
- archicortex — (anatomy) Part of the allocortex, specifically three layered hippocampal cortexes necessary for hippocampus formation.
- archilochus — 7th century bc, Greek poet of Paros, notable for using his own experience as subject matter
- archimedean — of, relating to, or discovered by Archimedes.
- archipelago — An archipelago is a group of islands, especially small islands.
- architected — a person who engages in the profession of architecture.
- architector — (obsolete) An architect.
- architraved — having an architrave or architraves
- architraves — Plural form of architrave.
- archliberal — extremely liberal, especially in political thinking.
- archnemesis — A chief nemesis.
- archpriests — Plural form of archpriest.
- archtraitor — A chief or transcendent traitor.
- archvillain — A supreme villain; the most evil or powerful villain.
- arctic char — a char, Salvelinus alpinus, that occurs in northern and arctic seas
- arctic hare — a large hare, Lepus arcticus, of the Canadian Arctic whose fur is white in winter
- arctic seal — rabbit fur that has been sheared and dyed to simulate sealskin.
- arctic skua — a predatory gull-like bird, Stercorarius parasiticus, which harasses terns or gulls into dropping or disgorging fish they have caught; it breeds in northern Eurasia and North America
- arctic tern — a black-capped tern, Sterna paradisea, that breeds in the Arctic and then migrates as far south as the Antarctic
- arctic zone — the section of the earth's surface lying between the Arctic Circle and the North Pole.
- arcticology — the scientific study of the Polar Regions.
- arctophilia — the practice of collecting teddy bears
- area office — a part of a business, organization, etc which is the most important office in a specific geographical area
- arenicolous — growing or living in sand or sandy places
- areocentric — relating to a reference system which has Mars as its centre
- areographic — relating to areography
- argentinean — a native or inhabitant of Argentina.
- argentinian — Argentinian means belonging or relating to Argentina or its people.
- argumentive — argumentative
- argyllshire — (until 1975) a county of W Scotland, part of Strathclyde region (1975–96), now part of Argyll and Bute
- ari service — (company) The trading name of the remnants of AST Research, Inc.. ARI Services is a wholly owned subsidiary of Samsung Electronics Co. Ltd., of Seoul, Korea. They no longer manufacture or distribute computer hardware, but they continue to provide worldwide technical and service support to owners of systems that they manufactured. Headquarters: 16225 Alton Parkway, POB 57005, Irvine, California 92619-7005, USA.
- aristarchus — a crater in the NE quadrant of the moon, having a diameter of about 37 kilometres, which is the brightest formation on the moon
- aristocracy — The aristocracy is a class of people in some countries who have a high social rank and special titles.