21-letter words containing v, a, p
- private member's bill — In Britain, a Private Member's Bill is a law that is proposed by a Member of Parliament acting as an individual rather than as a member of his or her political party.
- professional services — (job) A department of a supplier providing consultancy and programming manpower for the supplier's products.
- progressive education — any of various reformist educational philosophies and methodologies since the late 1800s, applied especially to elementary schools, that reject the rote recitation and strict discipline of traditional, single-classroom teaching, favoring instead more stimulation of the individual pupil as well as group discussion, more informality in the classroom, a broader curriculum, and use of laboratories, gymnasiums, kitchens, etc., in the school.
- protective coloration — coloration or anything likened to it that eliminates or reduces visibility or conspicuousness.
- public health service — the agency that is responsible for the health of the general public
- quality point average — grade point average.
- rap over the knuckles — to reprimand
- real-estate developer — a person who buys and develops houses, buildings, and land in order to sell them and make a profit from them
- redevelopment company — a private corporation or a public agency that stimulates the improvement of land, as through a building project subject to certain designs and controls, by financing, selling, or leasing such real estate to interested buyers or lessees.
- relative permeability — the ratio of the permeability of a medium to that of free space
- relative permittivity — Electricity. the ratio of the flux density produced by an electric field in a given dielectric to the flux density produced by that field in a vacuum.
- reverse polish syntax — postfix notation
- reverse transcriptase — a retrovirus enzyme that synthesizes DNA from viral RNA, the reverse of the usual DNA-to-RNA replication: used in genetic engineering to clone genes from RNA strands.
- rio de la plata river — Rí·o de la [ree-aw th e lah] /ˈri ɔ ðɛ lɑ/ (Show IPA) an estuary on the SE coast of South America between Argentina and Uruguay, formed by the Uruguay and Paraná rivers, about 185 miles (290 km) long.
- seven-segment display — (electronics) (SSD) A kind of display element consisting of seven independently controllable lines arranged as a rectangular figure eight. A seven-segment display is the simplest device that can display any of the digits zero to nine (and some other characters) by lighting different combinations of lines. They are often seen in electronic calculators or measuring equipment.
- snappy video snapshot — (hardware) (registered trademark) A frame grabber for the IBM PC designed and marketed by Play, Inc..
- sympathetic vibration — a vibration induced by resonance.
- temperature inversion — inversion (def 12).
- the central provinces — the Canadian provinces of Ontario and Quebec
- the probation service — a criminal justice service that is mainly responsible for dealing with offenders by placing them under the supervision of a probation officer
- to move the goalposts — If you accuse someone of moving the goalposts, you mean that they have changed the rules in a situation or an activity, in order to gain an advantage for themselves and to make things difficult for other people.
- topological invariant — a property of a topological space that is a property of every space related to the given space by a homeomorphism.
- traveling salesperson — a representative of a business firm who travels in an assigned territory soliciting orders for a company's services.
- west university place — a city in SE Texas.