14-letter words containing a, r, t
- arboricultural — Of or pertaining to the care, planting and maintenance of trees.
- arborsculpture — The art and craft technique of growing and shaping tree trunks.
- arc-jet engine — a type of rocket engine using propellant gas heated by an electric arc.
- archaebacteria — (formerly) a group of microorganisms now regarded as members of the Archaea
- 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.
- archaeologists — Plural form of archaeologist.
- archaeometrist — a person who uses archaeometry
- archebacterium — (biology) alternative spelling of archaebacterium.
- archetypically — the original pattern or model from which all things of the same kind are copied or on which they are based; a model or first form; prototype.
- archgenethliac — the person most proficient at casting horoscopes
- archidiaconate — the office, term of office, or area of jurisdiction of an archdeacon
- archimandrites — Plural form of archimandrite.
- archipterygium — (anatomy) A primitive fin, like that of Ceratodus.
- architectonics — the science of architecture
- arctic current — a cold ocean current flowing S along the Labrador coast through Davis Strait to the Grand Banks where it divides, the E branch joining the North Atlantic Current and the W branch flowing into the Gulf of St. Lawrence.
- 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
- ardent spirits — spirits, such as rum, whisky, etc
- area vitellina — the nonvascular part of the area opaca surrounding the area vasculosa.
- 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.
- argonne forest — a wooded region in NE France: battles, World War I, 1918; World War II, 1944.
- argue the toss — to wrangle or dispute at length
- argumentations — Plural form of argumentation.
- argus pheasant — either of two pheasants, Argusianus argus (great argus) or Rheinardia ocellata (crested argus), occurring in SE Asia and Indonesia. The males have very long tails marked with eyelike spots
- aristocratical — aristocratic
- arithmetically — the method or process of computation with figures: the most elementary branch of mathematics.
- arkansas stone — a type of stone used as a whetstone for metal objects, especially knives.
- armamentariums — Plural form of armamentarium.
- 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.
- arrest warrant — a legal document giving permission to arrest someone
- arresting gear — any mechanism or device for bringing something to a stop, as an airplane landing on an aircraft carrier.
- 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.
- articled clerk — a trainee solicitor bound by a written contract
- articulateness — uttered clearly in distinct syllables.
- artifactitious — of, relating to, or of the nature of an artifact, or a man-made object that carries cultural significance.
- artificial ear — a device consisting of microelectrodes that deliver electrical stimuli directly to the auditory nerve when surgically implanted into the cochlea, enabling a person with sensorineural deafness to hear.
- artificial eye — a manufactured eye of glass, plastic, or other material, usually hemispherical or cup-shaped, worn cosmetically over a blind eye or in the socket of a lost eye and sometimes attached to muscles to provide movement.
- artificialized — Simple past tense and past participle of artificialize.
- artificialness — the condition of being non-natural, unnatural or spurious