12-letter words containing a, l, o, g, i
- polygraphist — an instrument for receiving and recording simultaneously tracings of variations in certain body activities.
- post-glacial — after a given glacial epoch, especially the Pleistocene.
- postsurgical — pertaining to or involving surgery or surgeons.
- pot marigold — calendula (def 1).
- potamologist — a specialist in potamology
- powerwalking — a form of exercise that involves rapid walking with arms bent and swinging naturally.
- primogenital — relating to primogeniture
- prodigal son — a figure in a parable of Jesus (Luke 15:11–32); a wayward son who squanders his inheritance but returns home to find that his father forgives him.
- profile drag — the sum of the surface friction drag and the form drag for a body moving subsonically through a fluid
- 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.
- prolongation — the act of prolonging: the prolongation of a line.
- promulgation — to make known by open declaration; publish; proclaim formally or put into operation (a law, decree of a court, etc.).
- pugnaciously — inclined to quarrel or fight readily; quarrelsome; belligerent; combative.
- pulling boat — a boat propelled by oars alone.
- pyramidology — a belief system based on the supposed occult significance of the Egyptian pyramids
- quasilogical — according to or agreeing with the principles of logic: a logical inference.
- radio galaxy — a galaxy that emits much more strongly in the radio part of the spectrum than does a typical galaxy.
- radiobiology — the branch of biology dealing with the effects of radiation on living matter.
- radioecology — the branch of ecology concerned with the effects of radioactivity on the environment
- radiological — of or relating to radiology.
- rainbow flag — a multicoloured flag used as a symbol of peace; often used to represent gay and lesbian pride
- ranging pole — a pole for marking positions in surveying
- recognizable — to identify as something or someone previously seen, known, etc.: He had changed so much that one could scarcely recognize him.
- redelegation — a group or body of delegates: Our club sent a delegation to the rally.
- regulation t — (in the U.S.) a federal law governing the amount of credit that may be advanced by brokers and dealers to customers for the purchase of securities on margin.
- regulation u — (in the U.S.) a federal law governing the amount of credit that may be advanced by a bank for the purchase of listed securities.
- relitigation — the act or process of litigating: a matter that is still in litigation.
- renegotiable — to negotiate again, as a loan, treaty, etc.
- reregulation — renewed regulation, the act or process of regulating again
- retail group — a group of companies under single ownership, which sell goods to individual customers
- retrolingual — situated behind or near the base of the tongue.
- ring-a-levio — a children's game in which members of one group try to find and capture hiding members of another group: a captured player is kept in a circle drawn on the ground and is set free when tagged by a teammate
- rio gallegos — a seaport in S Argentina, in S Patagonia.
- ripe old age — advanced age
- rock glacier — a mass of rock resembling a valley glacier that moves or is moved down a slope by its own weight or by the action of frost and interstitial ice.
- role playing — role-play used as a method of training or education
- role-playing — a method of instruction or psychotherapy aimed at changing attitudes and behavior, in which participants act out designated roles relevant to real-life situations.
- rolling plan — a plan which is designed to continue over a period of time and is subject to regular review and updating
- rolling road — A rolling road is a piece of machinery on which the wheels of a vehicle can ride in order to test how well the vehicle works under road conditions that are created artificially.
- roofing nail — a short nail for nailing asphalt shingles or the like, having a broad head.
- sacrilegious — pertaining to or involving sacrilege: sacrilegious practices.
- sail through — If someone or something sails through a difficult situation or experience, they deal with it easily and successfully.
- sailboarding — windsurfing.
- sailing boat — sailboat.
- salpiglossis — any solanaceous plant of the Chilean genus Salpiglossis, some species of which are cultivated for their bright funnel-shaped flowers
- salpingotomy — incision of a Fallopian tube.
- sanguicolous — living in the blood, as a parasite.
- sanguinolent — of or relating to blood.
- saprobiology — the branch of ecology that studies decaying organic matter or environments, especially saprophytes that derive nourishment in this way.
- saronic gulf — an inlet of the Aegean, on the SE coast of Greece, between Attica and the Peloponnesus. 50 miles (80 km) long; 30 miles (48 km) wide.