13-letter words containing a, e, r, n
- assertiveness — confidently aggressive or self-assured; positive: aggressive; dogmatic: He is too assertive as a salesman.
- assigned risk — a risk that, under state law, is assigned to an insurer from a pool of insurers who would not otherwise accept it.
- astereognosis — inability to recognize objects by touch
- asthenosphere — a thin semifluid layer of the earth (100–200 km thick), below the outer rigid lithosphere, forming part of the mantle and thought to be able to flow vertically and horizontally, enabling sections of lithosphere to subside, rise, and undergo lateral movement
- at every turn — If you say that something happens at every turn, you are emphasizing that it happens frequently or all the time, usually so that it prevents you from achieving what you want.
- aten asteroid — one of a small group of asteroids whose orbits cross that of the earth and whose semimajor axes are smaller than that of the earth.
- athenagoras i — (Aristocles Spyrou) 1886–1972, Archbishop Ecumenical of Constantinople and Ecumenical Patriarch of the Greek Orthodox Church 1948–72.
- atherogenesis — (medicine) The formation of atheromas, especially on the walls of the arteries.
- atomic energy — nuclear energy
- atomic number — the number of protons in the nucleus of an atom of an element
- atrociousness — The state of being atrocious.
- attitudinizer — One who attitudinizes, or practises poses.
- auctioneering — Present participle of auctioneer.
- audience room — a room for holding formal interviews or hearings.
- australianize — (esp of a new immigrant) to adopt or cause to adopt Australian habits and attitudes; integrate into Australian society
- austrian pine — an evergreen tree, Pina nigra austriaca
- authenticator — a person or thing that authenticates.
- auto-injector — An auto-injector is a hypodermic syringe that you can use to inject yourself with a liquid.
- autoresponder — A program that automatically generates a set response to all messages sent to a particular e-mail address.
- averruncation — the act of averting or turning away
- awe-inspiring — If you describe someone or something as awe-inspiring, you are emphasizing that you think that they are remarkable and amazing, although sometimes rather frightening.
- azerbaijanian — a native or inhabitant of Azerbaijan.
- baby snatcher — a person who steals a baby from its pram
- back-breaking — Back-breaking work involves a lot of hard physical effort.
- backgrounders — Plural form of backgrounder.
- backing store — a computer storage device, usually a disk, that provides additional storage space for information so that it can be accessed and referred to when required and may be copied into the processor if needed
- bacteriogenic — Caused by bacteria.
- bacteriolysin — an antibody which, when it combines with bacterial cells, causes lysis of those cells, thus destroying them
- bacteriotoxin — any toxin that kills bacteria
- bacterization — subjection to bacterial action
- baggage train — a train of wagons carrying the equipment needed by an army on the march
- baker's dozen — thirteen
- baking powder — Baking powder is an ingredient used in cake making. It causes cakes to rise when they are in the oven.
- balanced tree — (algorithm) An optimisation of a tree which aims to keep equal numbers of items on each subtree of each node so as to minimise the maximum path from the root to any leaf node. As items are inserted and deleted, the tree is restructured to keep the nodes balanced and the search paths uniform. Such an algorithm is appropriate where the overheads of the reorganisation on update are outweighed by the benefits of faster search. A B-tree is a kind of balanced tree that can have more than two subtrees at each node (i.e. one that is not restricted to being a binary tree).
- ballet dancer — a man or woman who takes part in ballet dancing, usually professionally
- balloon frame — a wooden building frame composed of machine-sawed scantlings fastened with nails, having studs rising the full height of the frame with the joists nailed to the studs and supported by sills or by ribbons let into the studs.
- balloon-berry — strawberry-raspberry.
- balneotherapy — the treatment of disease by bathing, esp to improve limb mobility in arthritic and neuromuscular disorders
- banana bender — a native or inhabitant of Queensland
- banana spider — a large, yellowish, tropical crab spider (Heteropoda venatoria) occasionally found in bunches of bananas shipped to the Temperate Zones
- bancassurance — the selling of insurance products by a bank to its customers
- band spectrum — a spectrum consisting of a number of bands of closely spaced lines that are associated with emission or absorption of radiation by molecules
- band together — If people band together, they meet and act as a group in order to try and achieve something.
- banded purple — any color having components of both red and blue, such as lavender, especially one deep in tone.
- banderilleros — Plural form of banderillero.
- bandspreading — an additional tuning control in some radio receivers whereby a selected narrow band of frequencies can be spread over a wider frequency band, in order to give finer control of tuning
- banister back — a back of a chair or the like, usually having semicircular spindles between the top rail and the cross rail or seat.
- bank examiner — a public official appointed under U.S. state or federal laws to inspect and audit the operations and accounts of banks in the examiner's jurisdiction.
- bank transfer — a payment between two bank accounts
- banker's bill — a banknote