11-letter words containing a, h, r
- archbishops — Plural form of archbishop.
- archdeacons — Plural form of archdeacon.
- archdiocese — An archdiocese is the area over which an archbishop has control.
- archduchess — the wife or widow of an archduke
- archduchies — Plural form of archduchy.
- archdukedom — the territory ruled by an archduke or archduchess
- 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.
- archenteron — the cavity within an embryo at the gastrula stage of development that eventually becomes the digestive cavity
- archeologic — (American spelling) alternative spelling of archaeologic.
- archeometry — the branch of archaeology that deals with the dating of archaeological specimens through specific techniques, as radiocarbon dating and amino-acid dating.
- 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
- arctophilia — the practice of collecting teddy bears
- areographic — relating to areography
- argyllshire — (until 1975) a county of W Scotland, part of Strathclyde region (1975–96), now part of Argyll and Bute
- 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
- arith-matic — (language) An extension of Grace Hopper's A-2 programming language, developed in about 1955. ARITH-MATIC was originally known as A-3, but was renamed by the marketing department of Remington Rand UNIVAC.
- arithmetics — Plural form of arithmetic.
- arkadelphia — a city in central Arkansas.
- arkhangelsk — seaport in NW Russia, at the mouth of the Northern Dvina River: pop. 407,000
- armory show — an international art show held in a New York City armory in 1913: considered a landmark in the public and critical acceptance of modern art.
- arms-length — not closely or intimately connected or associated; distant; remote: an arm's-length relationship.
- arnhem land — a region of N Australia in the N Northern Territory, large areas of which are reserved for native Australians
- aroint thee — away! begone!
- aron kodesh — Holy Ark.
- arrhenotoky — a form of parthenogenesis which produces only male offspring
- arrhythmias — Plural form of arrhythmia.
- arrowheaded — Shaped like the head of an arrow; cuneiform; cuneatic.
- arsonphobia — Pyrophobia.
- art history — study of art through the ages
- art theater — art house
- art therapy — a type of psychotherapy that encourages the expression of emotions through artistic activities such as painting, drawing, or sculpture; psychotherapy based on the belief that the creative process involved in the making of art is healing and life-enhancing.
- arthralgias — Plural form of arthralgia.
- arthrectomy — surgical excision of a joint