12-letter words containing a, g, r, i, p, o
- lithographic — Of, relating to, or produced by lithography.
- loading ramp — a ramp that is used for loading a ship
- mammographic — Of, or pertaining to, mammography.
- marconigraph — (dated) wireless telegraph.
- mastigophora — a phylum of protozoans comprising nonphotosynthetic, chiefly free-living flagellates: some species are important pathogens of humans and other animals.
- mastigophore — Any flagellate of the phylum Mastigophora.
- micrographia — minute handwriting.
- micrographic — Pertaining to micrographics.
- microphagous — (of an animal) feeding on small particles of food
- microprogram — Computers. a set of microinstructions that defines the individual operations that a computer carries out in response to a machine-language instruction.
- mimeographed — Simple past tense and past participle of mimeograph.
- monographing — Present participle of monograph.
- nonoperating — Not operating.
- oligophrenia — less than normal mental development.
- oligospermia — (medicine) Low volume of semen.
- opera singer — a professional singer of opera
- opisthograph — a manuscript, parchment, or book having writing on both sides of the leaves.
- optical grep — vgrep
- organoleptic — perceived by a sense organ.
- organotropic — designating or of a substance or virus that travels predominantly to a specific organ
- orographical — relating to the study of mountains
- orthographic — of or relating to orthography.
- 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.
- outspreading — Present participle of outspread.
- 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.
- paring gouge — a woodworker's gouge having the bezel on the concave face.
- parmigianino — (Girolamo Francesco Maria Mazzola) 1503–40, Italian painter.
- paroemiology — the study of proverbs
- parting shot — a threat, insult, condemnation, sarcastic retort, or the like, uttered upon leaving.
- partitioning — Partitioning is when a solute is distributed between two phases in a separation process.
- perinatology — a field of medicine focusing on problems emerging during the perinatal period.
- phanerogamic — any of the Phanerogamia, a former primary division of plants comprising those having reproductive organs; a flowering plant or seed plant (opposed to cryptogam).
- phonographic — of, relating to, or characteristic of a phonograph.
- photographic — of or relating to photography.
- physiography — the science of physical geography.
- physogastric — pertaining to the swollen, membranous abdomen of certain insects, especially termite and ant queens.
- pictographic — a pictorial sign or symbol.
- pig-ignorant — extremely ignorant or unknowledgeable
- pigeon grape — a high-climbing vine, Vitis aestivalis, of the eastern U.S., having leaves that are dull above and rusty beneath, and bearing black, edible fruit.
- 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.
- poetastering — the profession of being a poetaster
- pogson ratio — the brightness ratio of two celestial objects that differ by one magnitude. On the Pogson scale a difference of 5 magnitudes is defined as a difference of 100 in the intensities of two stars; therefore a difference of 1 magnitude is equal to the fifth root of 100, i.e. 2.512
- point charge — an electric charge considered to exist at a single point, and thus having neither area nor volume.
- 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.