21-letter words containing d, e, l, t, a, b
- public-address system — a combination of electronic devices that makes sound audible via loudspeakers to many people, as in an auditorium or out of doors.
- rayleigh distribution — (mathematics) A curve that yields a good approximation to the actual labour curves on software projects.
- sealed-beam headlight — a headlight in which the reflector and lens are hermetically sealed together with the filament in a single unit.
- sense and sensibility — a novel (1811) by Jane Austen.
- sodium metabisulphite — an inorganic compound with the chemical formula Na2S2O5 that is used as a preservative, antioxidant and disinfectant
- the yellow brick road — the road to success or happiness (in the film the Wizard of Oz the yellow brick road leads to Oz)
- to be hard luck on sb — to be unfortunate or unlucky for someone
- to risk life and limb — If someone risks life and limb, they do something very dangerous that may cause them to die or be seriously injured.
- transcendental number — a number that is not a root of any algebraic equation having integral coefficients, as π or e .