18-letter words containing a, m, p, h, i, o
- monographic series — a series of monographs issued in uniform style or format and related by subject or by issuing agency.
- monophthongization — to change into or pronounce as a monophthong.
- morphine addiction — the fact or condition of being addicted to morphine
- mucopolysaccharide — (formerly) glycosaminoglycan.
- neo-pythagoreanism — a philosophical system, established in Alexandria and Rome in the second century b.c., consisting mainly of revived Pythagorean doctrines with elements of Platonism and Stoicism.
- neuropsychodynamic — Of or pertaining to neuropsychodynamics.
- nonpharmacological — Not pharmacological.
- ophthalmologically — In an ophthalmological manner.
- outer automorphism — an automorphism that is not an inner automorphism.
- pairs championship — an event in a sport such as tennis or darts open to pairs of competitors
- palmer archipelago — a group of islands in the South Atlantic Ocean, off the NW coast of the Antarctic Peninsula.
- pathologic anatomy — the branch of pathology dealing with the morphologic changes in tissues.
- peppermint camphor — menthol.
- phantasmagorically — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
- phantom withdrawal — the unauthorized removal of funds from a bank account using an automated teller machine
- philharmonic pitch — a standard of pitch in which A above middle C is established at 440 vibrations per second.
- photochemical smog — air pollution containing ozone and other reactive chemical compounds formed by the action of sunlight on nitrogen oxides and hydrocarbons, especially those in automobile exhaust.
- photoisomerization — isomerization induced by light.
- phytohemagglutinin — a lectin, obtained from the red kidney bean, that binds to the membranes of T cells and stimulates metabolic activity, cell division, etc.
- pigmy hippopotamus — a related but smaller animal, Choeropsis liberiensis
- policeman's helmet — a Himalayan balsaminaceous plant, Impatiens glandulifera, with large purplish-pink flowers, introduced into Britain
- polychromatophilic — having an affinity for more than one kind of stain, especially for acid, neutral, and basic stains, as polychromatophilic erythroblasts characteristic of pernicious anemia.
- potassium chlorate — a white or colorless, crystalline, water-soluble, poisonous solid, KClO 3 , used chiefly as an oxidizing agent in the manufacture of explosives, fireworks, matches, bleaches, and disinfectants.
- potassium chloride — a white or colorless, crystalline, water-soluble solid, KCl, used chiefly in the manufacture of fertilizers and mineral water, and as a source of other potassium compounds.
- potassium sulphate — a soluble substance usually obtained as colourless crystals of the decahydrate: used in making glass and as a fertilizer. Formula: K2SO4
- processionary moth — a moth of the family Thaumetopoeidae, esp the oak processionary moth (Thaumetopoea processionea), the larvae of which leave the communal shelter nightly for food in a V-shaped procession
- projection machine — an apparatus that projects motion pictures; projector.
- propaganda machine — the group of people, publications, etc, such as of a government, country etc, responsible for the organized dissemination of information, allegations, etc, to assist or damage the cause of a government, movement, etc
- provision merchant — a person or company in the business of retailing food and other provisions
- publishing company — a firm which publishes books
- pygmy hippopotamus — a small hippopotamus, Choeropsis liberiensis, of forests and swamps in western Africa.
- pyromucic aldehyde — furfural.
- september holidays — a period of time in September when people do not have to go to school, college or work
- something to spare — a surplus of something
- southampton island — an island in N Canada, in the Northwest Territories at the entrance to Hudson Bay. 19,100 sq. mi. (49,470 sq. km).
- spherical geometry — the branch of geometry that deals with figures on spherical surfaces.
- systematic phoneme — a phonological unit in generative phonology representing an underlying form that takes into account the relationship between phonological patterns and morphological variation, as the unit underlying the second vowel in both derive and derivative.
- the family compact — the ruling oligarchy in Upper Canada in the early 19th century
- withdrawal symptom — effects of stopping a drug
- world championship — an international competition in a particular sport or activity for people all around the world