14-letter words containing a, u, r, t, i
- antiulcerative — An antiulcerative is an agent that prevents the formation or promotes the healing of ulcers.
- antiuniversity — a group or institution which disregards the established traditions or practices of university education
- aperture ratio — relative aperture.
- aquatic centre — a complex with facilities for water sports, including swimming pools
- arboricultural — Of or pertaining to the care, planting and maintenance of trees.
- archebacterium — (biology) alternative spelling of archaebacterium.
- archipterygium — (anatomy) A primitive fin, like that of Ceratodus.
- 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.
- argumentations — Plural form of argumentation.
- 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.
- arthroconidium — A kind of asexual fungal spore, typically produced by segmentation of pre-existing fungal hyphae.
- 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.
- asparagus tips — the ends of asparagus spears, considered to be the tastiest part
- at first blush — when first seen; as a first impression
- atrial flutter — irregular heart rhythm
- attitudinarian — a person who assumes an affected attitude
- auction bridge — a variety of bridge, now generally superseded by contract bridge, in which all the tricks made score towards the game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.
- 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.
- aussie battler — an Australian working-class person
- austrian blind — a window blind consisting of rows of vertically gathered fabric that may be drawn up to form a series of ruches
- austrian shade — a window shade in which the fabric falls in a series of puffy festoons created by vertical rows of shirring.
- 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.
- authority file — a file, either on cards or in machine-readable format, in which decisions involving bibliographic records, particularly for form of entry, are recorded to establish a precedent or rule for subsequent decisions and to provide for consistency of entries.
- authorizations — Plural form of authorization.
- autobiographer — a person who writes the story of his or her own life
- 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
- autoradiograph — a photograph showing the distribution of a radioactive substance in a specimen. The photographic plate is exposed by radiation from the specimen
- autoreactivity — (immunology) The condition of being autoreactive.
- autoregression — (mathematics) An autoregressive process that is used to model many types of natural behaviour.
- autoregressive — (statistics) Employing autoregression, using a weighted sample of past data to predict future results.
- autoregulation — the continual automatic adjustment or self-regulation of a biochemical, physiological, or ecological system to maintain a stable state.
- autotetraploid — an individual or strain whose chromosome complement consists of four copies of a single genome due to doubling of an ancestral chromosome complement
- auxiliary note — a nonharmonic note occurring between two harmonic notes
- auxiliary tone — a melodic ornamental tone following a principal tone by a step above or below and returning to the principal tone; embellishment.
- azimuth circle — a device for measuring azimuths, consisting of a graduated ring equipped with a sighting vane on each side, which fits concentrically over a compass.
- bamboo curtain — (esp in the 1950s and 1960s) the political and military barrier to communications around the People's Republic of China
- bamboo turning — turning of spindles and framing members to simulate the jointing of bamboo.
- bargain hunter — A bargain hunter is someone who is looking for goods that are value for money, usually because they are on sale at a lower price than normal.
- barium bromate — colorless, slightly water-soluble, poisonous crystals, Ba(BrO 3) 2 ⋅H 2 O, used in the preparation of certain bromates.
- barium sulfate — an odorless, tasteless, white powder, BaSO4, insoluble in water: it is used as a paint pigment, as a filler for paper, textiles , etc., and as an opaque substance that is ingested to aid in making diagnostic X-rays of the stomach and intestine