13-letter words containing r, a, t, l
- arcticologist — a person who specializes in arcticology.
- aristolochene — (organic compound) A bicyclic sesquiterpene produced by certain fungi.
- arm wrestling — a contest in which two people sit facing each other each with one elbow resting on a table, clasp hands, and each tries to force the other's arm flat onto the table while keeping his own elbow touching the table
- armor-plating — The armor-plating on a vehicle or building is the hard metal covering that is intended to protect it from gunfire and other missiles.
- armour-plated — An armour-plated vehicle or building has a hard metal covering in order to protect it from gunfire and other missiles.
- art collector — a person who collects works of art
- arterializing — Present participle of arterialize.
- artesian well — well sunk through impermeable strata receiving water from an area at a higher altitude than that of the well
- arthritically — in an arthritic manner
- articulations — Plural form of articulation.
- artificiality — artificial quality.
- 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.
- asphalt paper — paper treated with asphalt, as to increase toughness or water resistance.
- aspirationals — Plural form of aspirational.
- assault rifle — a firearm that is capable of firing multiple rounds in a very short period
- assertability — The quality of being assertable.
- assortatively — In an assortative way.
- assyriologist — A person who studies ancient Assyria.
- 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
- astronautical — of or relating to astronautics or astronauts.
- astroparticle — (astrophysics) A subatomic particle of cosmic origin.
- astrophysical — Of or pertaining to astrophysics.
- 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.
- atrabilarious — Characterized by melancholy or gloom.
- atroceruleous — a deep blue-black color.
- attributional — of or relating to the act of attributing
- attributively — pertaining to or having the character of attribution or an attribute.
- australia day — a public holiday in Australia, commemorating the landing of the British in 1788: observed on January 26
- australianism — the Australian national character or spirit
- australianize — (esp of a new immigrant) to adopt or cause to adopt Australian habits and attitudes; integrate into Australian society
- autographical — Relating to, or used in, the process of autography.
- azurmalachite — a blue-green ornamental stone consisting of a mixture of azurite and malachite.
- 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
- bachelorettes — Plural form of bachelorette.
- 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.
- 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