12-letter words containing a, l, o, g, i
- oleaginously — In an oleaginous manner.
- olefiant gas — ethylene (def 2).
- oligarchical — of, relating to, or having the form of an oligarchy.
- oligochaetes — Plural form of oligochaete.
- oligodactyly — The presence of fewer than the usual number of fingers or toes.
- oligophagous — (especially of insects) eating only a few types of food.
- oligophrenia — less than normal mental development.
- oligospermia — (medicine) Low volume of semen.
- onomasiology — the study of the means of expressing a given concept.
- 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.
- osteological — Of or relating to osteology.
- outbalancing — Present participle of outbalance.
- 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.
- palaebiology — the study of fossil animals and plants
- paleobiology — the branch of paleontology dealing with fossil life forms, especially with reference to their origin, structure, evolution, etc.
- paleological — the study of antiquities.
- palynologist — the study of live and fossil spores, pollen grains, and similar plant structures.
- parasitology — the branch of biology dealing with parasites and the effects of parasitism.
- paroemiology — the study of proverbs
- pathobiology — pathology with emphasis on the biological aspects of disease
- pathological — of or relating to pathology.
- peace-loving — If you describe someone as peace-loving, you mean that they try to avoid quarrelling or fighting with other people.
- perinatology — a field of medicine focusing on problems emerging during the perinatal period.
- pestological — relating to pestology
- phlegmagogic — a medication that is intended to dislodge and evacuate mucus from the respiratory system
- phonological — relating to study of speech sounds
- photogelatin — pertaining to any photographic process in which gelatin is used to receive or transfer a print.
- pigtail hook — a screw hook having an eye in the form of a spiral for holding a loop, chain link, etc., at any angle.
- pilot signal — a signal, as a flag or light, used to request a pilot.
- plagioclimax — the climax stage of a community, influenced by man or some other outside factor
- 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.
- plumbaginous — containing graphite.
- poison gland — a gland in some fish and amphibians that secretes venomous material
- polar lights — the aurora borealis in the Northern Hemisphere or the aurora australis in the Southern Hemisphere.
- pole dancing — Pole dancing is a type of entertainment in a bar or club in which a woman who is wearing very few clothes dances around a pole in a sexy way.
- policymaking — a person responsible for making policy, especially in government.
- pollen grain — a single granule of pollen.
- polygamistic — a person who practices or favors polygamy.