20-letter words containing o, u, t, b, i, l
- physical 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)
- potassium binoxalate — a white, crystalline, hygroscopic, poisonous solid, KHC 2 O 4 , that is usually hydrated: used chiefly for removing ink stains, cleaning metal and wood, and in photography.
- probability function — the function the values of which are probabilities of the distinct outcomes of a discrete random variable
- public administrator — an official of a city, county, or state government.
- quasi-stellar object — quasar. Abbreviation: QSO.
- receivables turnover — A receivables turnover is a measure of cash flow that is calculated by dividing net credit sales by average accounts receivable.
- ring of the nibelung — Richard Wagner's tetralogy of music dramas: Das Rheingold (completed 1869), Die Walküre (completed 1870), Siegfried (completed 1876), and Götterdämmerung (completed 1876): the cycle was first performed at Bayreuth, 1876.
- roller-blind shutter — curtain shutter.
- ruby-crowned kinglet — an olive-gray, American kinglet, Regulus calendula, the male of which has an erectile, ruby crest.
- saint john ambulance — an organization that provides first aid and first-aid training
- semiautobiographical — pertaining to or being a fictionalized account of an author's own life.
- sodium metabisulfite — Sodium metabisulfite is a crystalline compound used as an antioxidant.
- subscription library — a commercial lending library
- telephone subscriber — a person who subscribes to a telephone service
- the beautiful people — rich, fashionable people in international high society
- to burst into flames — If something bursts into flames or bursts into flame, it suddenly starts burning strongly.
- to tighten your belt — If you have to tighten your belt, you have to spend less money and manage without things because you have less money than you used to have.
- tropical disturbance — a very weak, or incipient, tropical cyclone.
- twiddle one's thumbs — to turn about or play with lightly or idly, especially with the fingers; twirl.
- unemployment benefit — an allowance of money paid, usually weekly, to an unemployed worker by a state or federal agency or by the worker's labor union or former employer during all or part of the period of unemployment.
- wardrobe malfunction — an embarrassing situation caused by the clothes a person is wearing
- white bush (scallop) — a variety of summer squash having a saucer-shaped white fruit, scalloped around the edges
- would you believe it — If you say would you believe it, you are emphasizing your surprise about something.