13-letter words containing a, r, e, l
- artesian well — well sunk through impermeable strata receiving water from an area at a higher altitude than that of the well
- artificialize — to render artificial
- aryepiglottic — pertaining to or connecting the arytenoid cartilage and the epiglottis.
- ascertainable — to find out definitely; learn with certainty or assurance; determine: to ascertain the facts.
- ascertainably — In a way that can be ascertained.
- asexual spore — a spore that is the result of asexual reproduction
- ashlar veneer — a thin dressed stone with straight edges, used to face a wall
- aspergillosis — a rare fungal infection, esp of the mucous membranes or lungs, caused by various species of Aspergillus
- asphalt paper — paper treated with asphalt, as to increase toughness or water resistance.
- assault rifle — a firearm that is capable of firing multiple rounds in a very short period
- assembly room — a room used as a public place of entertainment, usually dating from the eighteenth or nineteenth century
- assertability — The quality of being assertable.
- assortatively — In an assortative way.
- aster yellows — a dwarfing and yellowing of asters and various other plants, caused by a mycoplasma transmitted by a leafhopper.
- asteroid belt — the concentrations of asteroids that move around the sun mainly between the orbits of Mars and Jupiter
- astroparticle — (astrophysics) A subatomic particle of cosmic origin.
- asylum seeker — An asylum seeker is a person who is trying to get asylum in a foreign country.
- atka mackerel — a commercially important ocean greenling (Pleurogrammus monopterygius) of the northern Pacific, esp. the area off the Aleutian Islands
- atmospherical — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- atroceruleous — a deep blue-black color.
- attributively — pertaining to or having the character of attribution or an attribute.
- aubervilliers — an industrial suburb of Paris, on the Seine. Pop: 63 136 (1999)
- australianize — (esp of a new immigrant) to adopt or cause to adopt Australian habits and attitudes; integrate into Australian society
- ayurvedically — As a practitioner of Ayurveda; in an Ayurvedic way.
- azurmalachite — a blue-green ornamental stone consisting of a mixture of azurite and malachite.
- baal merodach — Marduk.
- baccalaureate — The baccalaureate is an examination taken by students at the age of eighteen in France and some other countries.
- bachelor flat — a flat lived in, or intended for a bachelor
- bachelor girl — a young unmarried woman, esp one who is self-supporting
- bachelor seal — a young male seal, esp a fur seal, that has not yet mated
- bachelorettes — Plural form of bachelorette.
- back walkover — Racing. a walking or trotting over the course by a contestant who is the only starter.
- bacteriocidal — Alternative spelling of bactericidal.
- bacteriologic — a branch of microbiology dealing with the identification, study, and cultivation of bacteria and with their applications in medicine, agriculture, industry, and biotechnology.
- bacteriolysin — an antibody which, when it combines with bacterial cells, causes lysis of those cells, thus destroying them
- bacteriolysis — the destruction or disintegration of bacteria
- bacteriolytic — disintegration or dissolution of bacteria.
- bahr el jebel — a river in S Sudan: a segment of the White Nile river. 594 miles (956 km) long.
- bailey bridge — a temporary bridge made of prefabricated steel panels that can be rapidly assembled
- bakewell tart — an open tart having a pastry base and a layer of jam and filled with almond-flavoured sponge cake
- 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
- ballet master — a man who teaches and rehearses the dancers in a ballet company
- ballistospore — a spore, esp a fungal spore, that is forcefully ejected from its source
- 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.
- balmer series — a series of lines in the hydrogen spectrum, discovered by Johann Jakob Balmer (1825–98) in 1885
- balneotherapy — the treatment of disease by bathing, esp to improve limb mobility in arthritic and neuromuscular disorders
- balsam spruce — either of two North American coniferous trees of the genus Picea, P. pungens (the blue spruce) or P. engelmanni
- balsamiferous — yielding or producing balsam