14-letter words containing a, c, r, o, i
- arabian coffee — a tall, widely cultivated shrub (Coffea arabica) of the madder family, yielding coffee beans that are the world's chief source of commercially produced coffee: native to Africa but now present throughout the tropics, esp. in Brazil
- arachnological — relating to arachnology
- arboricultural — Of or pertaining to the care, planting and maintenance of trees.
- arcado-cyprian — an ancient language group of eastern Greece.
- archaeocyathid — one of the marine invertebrates of the extinct phylum Archaeocyatha, widely distributed during the Cambrian Period, having a limy, typically conical or cylindrical skeleton composed of sievelike inner and outer walls.
- archaeological — of or relating to archaeology.
- archaeologists — Plural form of archaeologist.
- archaeometrist — a person who uses archaeometry
- archbishoprics — Plural form of archbishopric.
- archidiaconate — the office, term of office, or area of jurisdiction of an archdeacon
- archiepiscopal — of or associated with an archbishop
- architectonics — the science of architecture
- arctic monkeys — British rock group (formed 2002): comprising Alex Turner (born 1986; vocals, guitar), Jamie Cook (born 1985, guitar), Matt Helders (born 1986, drums, vocals) and Nick O'Malley (born 1985, bass guitar); their albums include Whatever People Say I Am, That's What I'm Not (2006), Favourite Worst Nightmare (2007), and AM (2013)
- arctic redpoll — a finch, Carduelis hornemanni, of the family Fringillidae, which breeds in tundra birch forest
- areal velocity — a measure of the velocity of one celestial body in orbit about another, equal to the area swept out per unit time by the vector joining the two bodies.
- aristocratical — aristocratic
- armor-piercing — (of bullets, artillery shells, etc.) designed especially for piercing armor.
- arms inspector — a person who carries out an arms inspection
- art collection — a collection of art works
- art historical — of or relating to the history of art or to its study: art historical documents on 16th-century painting.
- art-historical — of or concerned with the history of art
- arteriographic — relating to arteriography
- arthrocentesis — The clinical procedure of using a syringe to collect synovial fluid from a joint capsule, used in the diagnosis of gout, arthritis, and synovial infections.
- arthroconidium — A kind of asexual fungal spore, typically produced by segmentation of pre-existing fungal hyphae.
- artifactitious — of, relating to, or of the nature of an artifact, or a man-made object that carries cultural significance.
- artisoft, inc. — (company, networking) A company, known for the LANtastic range of networking products. Originally providers of proprietary, peer-to-peer network hardware and software for small installations, Artisoft now also sells Ethernet and Novell-compatible hardware and software. Telephone: +1 (800) 809 1257. Address: Tucson, Arizona, USA; Phoenix, Arizona, USA.
- asthenospermic — (medicine) Characterised by or pertaining to asthenospermia, hence infertile.
- asthenospheric — relating to the asthenosphere
- astrochemistry — the study of the chemistry of celestial bodies and space, esp by means of spectroscopy
- astrologically — In an astrological manner.
- astronomically — of, relating to, or connected with astronomy.
- astrophysicist — An astrophysicist is someone who studies astrophysics.
- asynchronicity — (uncountable) The state of being asynchronous.
- asynchronistic — Not synchronistic.
- atomic orbital — Physics, Chemistry. a wave function describing the state of a single electron in an atom (atomic orbital) or in a molecule (molecular orbital) the electron in that state.
- atomic reactor — reactor (def 4).
- atomic veteran — a veteran of the armed forces who was exposed to radioactivity during the testing or use of nuclear (atomic) weapons in World War II or subsequent wars.
- atomic warfare — war in which nuclear weapons are used
- atomic-powered — powered by atomic energy
- auction bridge — a variety of bridge, now generally superseded by contract bridge, in which all the tricks made score towards the game
- auditory canal — the narrow passageway from the outer ear to the eardrum.
- austro-asiatic — a hypothetical phylum or superfamily of languages consisting of Mon-Khmer and certain other languages of India and South-East Asia. Links with Malayo-Polynesian have also been suggested
- autobiographic — marked by or dealing with one's own experiences or life history; of or in the manner of an autobiography: autobiographical material; an autobiographical novel.
- autocollimator — an instrument combining the functions of a telescope and collimator, for detecting and measuring very small deviations in a beam of light.
- autocovariance — (statistics) The covariance of a signal with another part of the same signal.
- autocratically — In an autocratic manner.
- automatic door — a self-opening door
- autoreactivity — (immunology) The condition of being autoreactive.
- avariciousness — The state or quality of being avaricious.
- back formation — the invention of a new word on the assumption that a familiar word is derived from it. The verbs edit and burgle were so created from editor and burglar