12-letter words containing g, l, o, r, i, a
- old guardism — political conservatism.
- oligarchical — of, relating to, or having the form of an oligarchy.
- oligophrenia — less than normal mental development.
- oligospermia — (medicine) Low volume of semen.
- optical grep — vgrep
- oregon trail — a route used during the U.S. westward migrations, especially in the period from 1840 to 1860, starting in Missouri and ending in Oregon. About 2000 miles (3200 km) long.
- organoleptic — perceived by a sense organ.
- oriental rug — a rug or carpet woven usually in Asia and characterized by hand-knotted pile.
- original gum — See o.g (def 1).
- original sin — Theology. a depravity, or tendency to evil, held to be innate in humankind and transmitted from Adam to all humans in consequence of his sin. inclination to evil, inherent in human nature.
- ornithogalum — any plant of the genus Ornithogalum
- orographical — relating to the study of mountains
- oscillograms — Plural form of oscillogram.
- oscillograph — a device for recording the wave-forms of changing currents, voltages, or any other quantity that can be translated into electric energy, as sound waves.
- overplanning — the act or instance of planning excessively
- pack rolling — the hot rolling of metal sheets in two or more thicknesses to produce composite sheets.
- parasitology — the branch of biology dealing with parasites and the effects of parasitism.
- paroemiology — the study of proverbs
- perinatology — a field of medicine focusing on problems emerging during the perinatal period.
- plagiohedral — (of a crystal) having faces arranged obliquely in a helix.
- plagiotropic — growing more or less divergent from the vertical.
- planographic — the art or technique of printing from a flat surface directly or by offset.
- polar lights — the aurora borealis in the Northern Hemisphere or the aurora australis in the Southern Hemisphere.
- pollen grain — a single granule of pollen.
- polygraphist — an instrument for receiving and recording simultaneously tracings of variations in certain body activities.
- postsurgical — pertaining to or involving surgery or surgeons.
- pot marigold — calendula (def 1).
- 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.).
- pyramidology — a belief system based on the supposed occult significance of the Egyptian pyramids
- 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.