24-letter words containing d, a, m, p
- reproductive imagination — the faculty of imagining, or of forming mental images or concepts of what is not actually present to the senses.
- research and development — the part of a commercial company's activity concerned with applying the results of scientific research to develop new products and improve existing ones
- sodium hexametaphosphate — See under Calgon.
- special development area — an area earmarked for special development by the government
- split image range finder — a range finder in which opposing halves of a split field move relative to each other and coincide when the object centered in the field is in focus.
- stratified random sample — a random sample of a population in which the population is first divided into distinct subpopulations, or strata, and random samples are then taken separately from each stratum.
- the department of health — a department of the government of the United Kingdom concerned with governmental policy relating to health in England but not elsewhere in the United Kingdom
- to jump on the bandwagon — If someone, especially a politician, jumps or climbs on the bandwagon, they become involved in an activity or movement because it is fashionable or likely to succeed and not because they are really interested in it.
- trisodium orthophosphate — a sodium salt of orthophosphoric acid having the formula Na3PO4