19-letter words containing b, e, a, u, c, o
- once in a blue moon — very rarely; almost never
- optical double star — two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star)
- oxyacetylene burner — a blowpipe for cutting or welding metals at high temperatures
- phthalocyanine blue — a pigment used in painting, derived from copper phthalocyanine and characterized chiefly by its brilliant, dark-blue color and by permanence.
- potassium carbonate — a white, granular, water-soluble powder, K 2 CO 3 , used chiefly in the manufacture of soap, glass, and potassium salts.
- pseudo-biographical — of or relating to a person's life: He's gathering biographical data for his book on Milton.
- put one's back into — to devote all one's strength to (a task)
- republic of ireland — John, 1838–1918, U.S. Roman Catholic clergyman and social reformer, born in Ireland: archbishop of St. Paul, Minn., 1888–1918.
- republic of vietnam — the name (from 1955–75) for South Vietnam, as an independent republic, following the division of the country in 1954 into North Vietnam and South Vietnam
- semibituminous coal — a coal intermediate between bituminous and anthracite coal in hardness, yielding the maximum heat of any ordinary steam coal.
- southern crab apple — a tree, Malus angustifolia, of the eastern U.S., having oblong leaves, fragrant, pink or rose-colored flowers, and small, round, yellow-green fruit.
- stationery cupboard — a cupboard where things like paper, pens and paper clips are kept
- subtractive process — a process of color photography in which the colors are formed by combination of cyan, yellow, and magenta lights.
- telescopic umbrella — an umbrella having parts that telescope
- the compassion club — (in Canada) a nonprofit organization that provides uncontaminated cannabis for medical purposes and natural therapies in a safe environment
- to bury the hatchet — If two people bury the hatchet, they become friendly again after a quarrel or disagreement.
- to make a fast buck — When someone makes a fast buck or makes a quick buck, they earn a lot of money quickly and easily, often by doing something which is considered to be dishonest.
- to take the biscuit — If someone has done something very stupid, rude, or selfish, you can say that they take the biscuit or that what they have done takes the biscuit, to emphasize your surprise at their behaviour.
- touch all the bases — to deal with all related details
- upper carboniferous — Pennsylvanian (defs 2, 4).