15-letter words containing a, m, e, r
- archaeastronomy — (astronomy, archaeology) The historical, especially archeological, study of astronomy; the study of the astronomical systems and methods of ancient cultures often embracing the astrology and cosmology of the past.
- archaebacterium — Any primitive bacteria-like organism in the kingdom Archaea.
- archeoastronomy — the branch of archaeology that deals with the apparent use by prehistoric civilizations of astronomical techniques to establish the seasons or the cycle of the year, especially as evidenced in the construction of megaliths and other ritual structures.
- argumentatively — fond of or given to argument and dispute; disputatious; contentious: The law students were an unusually argumentative group.
- aristotelianism — a philosophical tradition based on the wide-ranging belief system of Aristotle
- arithmetic mean — an average value of a set of integers, terms, or quantities, expressed as their sum divided by their number
- armaments depot — a store for armaments
- armenian church — the national Church of Armenia, founded in the early fourth century ad, the dogmas and liturgy of which are similar to those of the Orthodox Church
- armes parlantes — arms using devices to illustrate the name of the bearers, such as a rose and a wall to illustrate the name Rosewall
- armour-piercing — capable of penetrating armour plate
- arms inspection — the official checking of a country's weapons and other military equipment, usually to check that international agreements have been respected
- army air forces — a unit comprising almost all aviation, with its personnel, equipment, etc.: it became part of the Air Force on July 26, 1947.
- army-navy store — a retail store selling a stock of surplus army, naval, and other military apparel and goods, often at bargain rates.
- arrangement fee — a fee charged by a bank, building society, etc for setting up a loan
- arrest judgment — to stay proceedings after a verdict, on the grounds of error or possible error
- arrondissements — Plural form of arrondissement.
- assemblypersons — Plural form of assemblyperson.
- astrophotometry — the measurement of the intensity of light of celestial objects.
- asymmetric bars — a pair of wooden or fibreglass bars placed parallel to each other but set at different heights, for various exercises
- asymmetric time — musical time consisting of an odd number of beats in each bar divided into uneven combinations, such as 3 + 2, 4 + 3, 2 + 3 + 2, etc
- at arm's length — If you hold something at arm's length, you hold it away from your body with your arm straight.
- at the mercy of — in the power of
- atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- augmented roman — a writing system based on an expanded English alphabet, consisting of 43 characters representing different phonemes of spoken English, used for teaching beginners to read. Abbreviation: I.T.A., i.t.a.
- augusta emerita — a market town in W Spain, in Extremadura, on the Guadiana River: founded in 25 bc; became the capital of Lusitania and one of the chief cities of Iberia. Pop: 52 110 (2003 est)
- automata theory — the formal study of the power of computation of abstract machines
- automatic drive — an automotive transmission requiring either very little or no manual shifting of gears.
- automatic rifle — a type of light machine gun capable of firing automatically or in single shots.
- autotransformer — a transformer in which part of the winding is common to both primary and secondary circuits
- azobisformamide — (chemistry) azodicarbonamide.
- baggage reclaim — the process of passengers' getting back the baggage that they have checked in for a flight
- ballet mistress — a woman who teaches and rehearses the dancers in a ballet company
- ballpeen hammer — a hammer that has one end of its head shaped in a hemisphere for beating metal, etc
- ballroom dancer — a person who participates in ballroom dancing
- bangtail muster — a roundup of cattle to be counted, each one having the hairs on its tail docked as it is counted
- baptism of fire — If someone who has just begun a new job has a baptism of fire, they immediately have to cope with very many severe difficulties and obstacles.
- bar examination — a written examination to determine if one is qualified to practice law in a particular jurisdiction.
- barberry family — the plant family Berberidaceae, characterized by shrubs and herbaceous plants having very varied leaves and flowers and fruit in the form of a berry or capsule, and including the barberry, May apple, and Oregon grape.
- barium chloride — a poisonous compound, BaCl2, consisting of flat white crystals that are soluble in water: it is used to treat water, metals, leather, etc.
- barium chromate — a yellow, crystalline compound, BaCrO 4 , used as a pigment (barium yellow)
- barium peroxide — a gray-white powder, BaO2, used as a bleach and in making hydrogen peroxide
- barium stearate — a white, crystalline, water-insoluble solid, Ba(C 18 H 35 O 2) 2 , used chiefly as a waterproofing agent and as a lubricant.
- barium sulphate — a white insoluble fine dense powder, used as a pigment, as a filler for paper, rubber, etc, and in barium meals. Formula: BaSO4
- barium titanate — a crystalline ceramic used in capacitors and piezoelectric devices. Formula: BaTiO3
- barothermograph — an automatic instrument for recording pressure and temperature.
- barrancabermeja — a city in N Colombia.
- basse-normandie — a region of NW France, on the English Channel: consists of the Cherbourg peninsula in the west rising to the Normandy hills in the east; mainly agricultural
- bathroom scales — scales typically kept in a bathroom for people to weigh themselves
- bathymetrically — In a bathymetric way.
- bathythermogram — a record made by a bathythermograph.