11-letter words containing l, a, r, o
- archegonial — relating to an archegonium
- archeologic — (American spelling) alternative spelling of archaeologic.
- archilochus — 7th century bc, Greek poet of Paros, notable for using his own experience as subject matter
- archipelago — An archipelago is a group of islands, especially small islands.
- arcticology — the scientific study of the Polar Regions.
- arctophilia — the practice of collecting teddy bears
- arenicolous — growing or living in sand or sandy places
- aristoteles — a walled plain in the first quadrant of the face of the moon: about 60 miles (97 km) in diameter.
- arkeologist — Someone who studies the story of Noah's Ark, particularly by searching for physical evidence which would corroborate it.
- armor plate — a protective covering of specially hardened steel plates, as on a tank
- armour-clad — wearing armour
- arolla pine — a five-needled pine tree, Pinus cembra, found esp in mountain regions of Central Europe and yielding edible seeds
- art college — a college at which students study and make art of various kinds, such as drawing, painting and sculpture
- art of love — Latin Ars Amatoria. a series of poems in three books (1? b.c.) by Ovid.
- articulator — a person or thing that articulates
- artiodactyl — any placental mammal of the order Artiodactyla, having hooves with an even number of toes; an even-toed ungulate. The order includes pigs, hippopotamuses, camels, deer, cattle, and antelopes
- arytenoidal — relating to the arytenoid cartilages in the larynx and also to other parts relating to them
- assessorial — a person who makes assessments, especially for purposes of taxation.
- assimilator — to take in and incorporate as one's own; absorb: He assimilated many new experiences on his European trip.
- assyriology — the study of the culture, history, and archaeological remains of ancient Assyria
- astral body — Astronomy. a star, planet, comet, or other heavenly body.
- astroblemes — Plural form of astrobleme.
- astrologers — Plural form of astrologer.
- astrologian — (obsolete) An astrologer.
- astrologist — the study that assumes and attempts to interpret the influence of the heavenly bodies on human affairs.
- atrabilious — irritable
- atrociously — extremely or shockingly wicked, cruel, or brutal: an atrocious crime.
- attritional — a reduction or decrease in numbers, size, or strength: Our club has had a high rate of attrition because so many members have moved away.
- auto-dialer — a telephone device that makes possible a service feature (au·to-dial) whereby a call is automatically made in response to a brief input signal from the user, as the pressing of a button.
- autodialers — Plural form of autodialer.
- autodialler — Alternative spelling of autodialer.
- axerophthol — any form of vitamin A
- bachelordom — the state of being a bachelor; bachelorhood
- bachelorism — bachelorhood
- bacilliform — shaped like a rod
- back boiler — a tank or series of pipes at the back of a fireplace for heating water
- baculovirus — any of a family of viruses that attack insects and other arthropods, used as biological pesticides
- badderlocks — a seaweed, Alaria esculenta, that has long brownish-green fronds and is eaten in parts of N Europe
- ball-flower — a decoration in a molding that looks like a ball held in the petals of a flower
- ballesteros — Severiano (sevɛˈrjano). 1957–2011, Spanish professional golfer: won the British Open Championship (1979; 1984; 1988) and the US Masters (1980; 1983)
- balmorality — an idealization of Scottish traditions and culture
- bankrolling — Present participle of bankroll.
- barbarously — uncivilized; wild; savage; crude.
- barber pole — a pole with spiral stripes of red and white, used as a symbol of the barber's trade
- barbie doll — a teenage doll with numerous sets of clothes and accessories
- barfulation — /bar`fyoo-lay'sh*n/ Variation of barf used around the Stanford area. An exclamation, expressing disgust. On seeing some particularly bad code one might exclaim, "Barfulation! Who wrote this, Quux?"
- barley coal — anthracite coal in sizes ranging from 3/32 to 3/16 inch (2.4 to 4.8 mm).
- baroclinity — a common state of fluid stratification in which surfaces of constant pressure and others of constant density are not parallel but intersect.
- baronetical — pertaining to baronets
- barotseland — a region in W Zambia. 44,920 sq. mi. (116,343 sq. km).