12-letter words containing p, o, r, i, d, g
- prodigiosity — the state or quality of being immense, extraordinary or astonishing
- prodigiously — extraordinary in size, amount, extent, degree, force, etc.: a prodigious research grant.
- profile drag — the sum of the surface friction drag and the form drag for a body moving subsonically through a fluid
- progradation — seaward growth of a beach, delta, fan, etc., by progressive deposition of sediment by rivers or shoreline processes.
- prolog-linda — 1. Prolog extended with Linda-style parallelism. Proc 4th Australian Conf on Artif Intell. 2. Neil MacDonald, U Edinburgh 1989. Another Prolog extended with Linda, implemented on a Computing Surface.
- proofreading — correction of text
- propagandism — the art, system, or use of propaganda
- propagandist — a person involved in producing or spreading propaganda.
- propagandize — to propagate or publicize (principles, dogma, etc.) by means of propaganda.
- pyramidology — a belief system based on the supposed occult significance of the Egyptian pyramids
- radiographer — X-ray technician
- ripe old age — advanced age
- road pricing — Road pricing is a system of making drivers pay money for driving on certain roads by electronically recording the movement of vehicles on those roads.
- scouring pad — a small pad, as of steel wool or plastic mesh, used for scouring pots, pans, etc.
- siderography — the art or technique of engraving on steel.
- sloop-rigged — (of a sailboat) fore-and-aft rigged with a mainsail and a jib.
- spinning rod — a flexible fishing rod, often made of fiberglass, used with a spinning reel.
- spoil ground — an area within a body of water, especially in the sea, where dredged material is deposited.
- sporting dog — one of any of several breeds of usually large dogs especially suited by size and training for hunting by pointing, flushing, and retrieving game and including the pointers, setters, retrievers, and spaniels.
- superkingdom — in some systems of biological classification, either of the two major subdivisions, prokaryote or eukaryote, into which all living organisms can be placed
- top dressing — tennis court
- trading post — a store established in an unsettled or thinly settled region by a trader or trading company to obtain furs and local products in exchange for supplies, clothing, other goods, or for cash.
- unresponding — to reply or answer in words: to respond briefly to a question.
- videographer — a person who makes films with a video camera.