21-letter words containing g, h, a, u
- pneumoencephalography — encephalography.
- pulse height analyser — a multichannel analyser that sorts pulses into selected amplitude ranges
- pulse height analyzer — an instrument that records or counts an electrical pulse if its amplitude falls within specified limits: used in nuclear physics research for the determination of energy spectra of nuclear radiations
- purchasing department — the group of staff within an organization that is responsible for buying goods or products
- rayleigh distribution — (mathematics) A curve that yields a good approximation to the actual labour curves on software projects.
- rectangular hyperbola — a hyperbola with perpendicular asymptotes
- ring down the curtain — to lower the curtain at the end of a theatrical performance
- ring-around-the-rosey — a children's game in which the players sing while going around in a circle and squat when the lyrics “all fall down” are sung.
- rutherford scattering — the scattering of an alpha particle through a large angle with respect to the original direction of motion of the particle, caused by an atom (Rutherford atom) with most of the mass and all of the positive electric charge concentrated at a center or nucleus.
- satisficing behaviour — the form of behaviour demonstrated by firms who seek satisfactory profits and satisfactory growth rather than maximum profits
- secure hash algorithm —
- single spanish burton — a tackle having a runner as well as the fall supporting the load, giving a mechanical advantage of three, neglecting friction.
- sovereign wealth fund — an investment fund created using the financial assets of a national government
- structural psychology — psychology centering on the analysis of the structure or content of conscious mental states by introspective methods.
- the moral high ground — If you say that someone has taken the moral high ground, you mean that they consider that their policies and actions are morally superior to the policies and actions of their rivals.
- threatening behaviour — intimidation or intentional behaviour that causes another person to fear injury or harm
- three-quarter binding — a binding in which the material used for the back extends further over the covers than in half binding.
- to change the subject — When someone involved in a conversation changes the subject, they start talking about something else, often because the previous subject was embarrassing.
- to rear its ugly head — If something unpleasant rears its head or rears its ugly head, it becomes visible or noticeable.
- tsutsugamushi disease — scrub typhus.
- undesirable discharge — a discharge under other than honorable conditions of a person from military service by administrative action.
- whip-and-tongue graft — a graft prepared by cutting both the scion and the stock in a sloping direction and inserting a tongue in the scion into a slit in the stock.
- youth training scheme — (formerly, in Britain) a scheme, run by the Training Agency, to provide vocational training for unemployed 16–17-year-olds