14-letter words containing o, r, a, i
- 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.
- argumentations — Plural form of argumentation.
- aristocratical — aristocratic
- armor-piercing — (of bullets, artillery shells, etc.) designed especially for piercing armor.
- armour-plating — The armour-plating on a vehicle or building is the hard metal covering which is intended to protect it from gunfire and other missiles.
- arms inspector — a person who carries out an arms inspection
- aromatherapist — An aromatherapist is a person who is qualified to practise aromatherapy.
- arrivals board — a board showing the time of arrival of planes, trains or buses
- arrondissement — the largest administrative subdivision of a department
- art collection — a collection of art works
- art exhibition — an exhibition of works of art such as pictures
- art historical — of or relating to the history of art or to its study: art historical documents on 16th-century painting.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.
- arthrogryposis — (countable, pathology) The permanent fixation of a joint in a contracted position.
- arthroplasties — Plural form of arthroplasty.
- 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.
- asthenospermia — (medicine) Loss or reduction in the strength or energy of sperm cells, hence infertility. Not always infertile many are subfertile.
- asthenospermic — (medicine) Characterised by or pertaining to asthenospermia, hence infertile.
- asthenospheric — relating to the asthenosphere
- astigmatometer — an apparatus for measuring the degree of astigmatism.
- astrobiologist — a person who studies astrobiology
- astrochemistry — the study of the chemistry of celestial bodies and space, esp by means of spectroscopy
- astrogeologist — a person who studies astrogeology
- astrolithology — The science of aerolites.
- astrologically — In an astrological manner.
- astronavigator — One who performs astronavigation; an astronaut or space pilot.
- 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.
- at one's peril — If you say that someone does something at their peril, you are warning them that they will probably suffer as a result of doing it.
- 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
- attrition rate — the rate at which customers or subscribers switch from one supplier to another
- auction bridge — a variety of bridge, now generally superseded by contract bridge, in which all the tricks made score towards the game
- audio response — a computer response that is audible rather than textual or graphical
- auditory canal — the narrow passageway from the outer ear to the eardrum.
- auditory nerve — either of the eighth pair of cranial nerves, which connect the ear with the brain and carry impulses relating to sound and balance
- aurothiomalate — (chemistry) A thiomalate with the addition of gold.
- 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
- authorisations — Plural form of authorisation.
- authoritarians — Plural form of authoritarian.