13-letter words containing o, a, r, l
- armour-plated — An armour-plated vehicle or building has a hard metal covering in order to protect it from gunfire and other missiles.
- arshile gorky — Arshile [ahr-sheel] /ˈɑr ʃil/ (Show IPA), (Vosdanig Adoian) 1904–48, American painter, born in Armenia.
- art collector — a person who collects works of art
- articulations — Plural form of articulation.
- aryepiglottic — pertaining to or connecting the arytenoid cartilage and the epiglottis.
- asexual spore — a spore that is the result of asexual reproduction
- aspergillosis — a rare fungal infection, esp of the mucous membranes or lungs, caused by various species of Aspergillus
- aspirationals — Plural form of aspirational.
- assembly room — a room used as a public place of entertainment, usually dating from the eighteenth or nineteenth century
- 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.
- 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
- autographical — Relating to, or used in, the process of autography.
- baal merodach — Marduk.
- 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.
- backdoor play — an offensive tactic whereby a player breaks away from a defender to receive a pass near the baseline in order to make a quick layup.
- backward roll — a gymnastic roll that is performed with the feet going first and the rest of the body and the head following
- 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.
- 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.
- balneotherapy — the treatment of disease by bathing, esp to improve limb mobility in arthritic and neuromuscular disorders
- balsam poplar — a poplar tree, Populus balsamifera, of NE North America, having resinous buds and broad heart-shaped leaves
- balsamiferous — yielding or producing balsam
- banderilleros — Plural form of banderillero.
- barbados aloe — a tropical aloe, Aloe barbadensis (or A. vera), of the lily family, having clusters of yellow flowers: its juice is used medicinally.
- barber's pole — a sign outside a barber's shop consisting of a pole painted with red and white spiral stripes
- barcoo salute — a movement of the hand to brush flies away from the face
- baritone clef — an F clef locating F below middle C on the third line of the staff.
- barium yellow — a yellow, crystalline compound, BaCrO 4 , used as a pigment (barium yellow)
- barnacle code — (programming, humour) Any piece of code (usually a static method) that has been appended to a class where it doesn't logically belong, due to a lack of anywhere else to put it.
- barnyard golf — Informal: Facetious. the game of horseshoes.
- baroclinicity — a common state of fluid stratification in which surfaces of constant pressure and others of constant density are not parallel but intersect.
- baronial hall — a large building or room owned by a baron