12-letter words containing p, a, s, o
- orthopaedics — (used with a singular verb) the medical specialty concerned with correction of deformities or functional impairments of the skeletal system, especially the extremities and the spine, and associated structures, as muscles and ligaments.
- orthopaedist — Alternative spelling of orthopedist.
- orthopterans — Plural form of orthopteran.
- 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.
- osteoplastic — Surgery. pertaining to osteoplasty.
- out of phase — in an unsynchronized way
- out of shape — person: unfit
- outspreading — Present participle of outspread.
- overemphasis — excessive or undue emphasis.
- overpersuade — to persuade (a person) against his or her inclination or intention: By threats and taunts they had overpersuaded him to steal the car.
- overpurchase — to acquire by the payment of money or its equivalent; buy.
- overseas cap — a soft, brimless military cap
- oyster plant — salsify.
- pachycarpous — having a thick pericarp
- pachydermous — any of the thick-skinned, nonruminant ungulates, as the elephant, hippopotamus, and rhinoceros.
- pacific rose — a large variety of eating apple from New Zealand, with sweet flesh
- pack of lies — false account
- packinghouse — a building where foodstuffs are packed
- paedobaptism — the baptism of infants
- paedobaptist — a person who baptizes infants
- paedodontics — the branch of dentistry that focuses on the care of children's teeth
- paedogenesis — sexual reproduction in an animal that retains its larval features
- palindromist — a word, line, verse, number, sentence, etc., reading the same backward as forward, as Madam, I'm Adam or Poor Dan is in a droop.
- paludicolous — inhabiting marshland
- palynologist — the study of live and fossil spores, pollen grains, and similar plant structures.
- pandanaceous — of, relating to, or belonging to the Pandanaceae, an Old World tropical family of monocotyledonous plants including the screw pines
- panning shot — pan3 (def 6).
- pantisocracy — a community, social group, etc, in which all have rule and everyone is equal
- pantophagist — an omnivore
- pantophagous — characterized by pantophagy
- papadopoulos — George, 1919–99, Greek military leader and dictator (1967–74).
- papoose-root — the blue cohosh. See under cohosh.
- parachronism — a chronological error in which a person, event, etc., is assigned a date later than the actual one.
- paraglossate — having paraglossae
- paragnathous — (of certain vertebrates) having the upper and lower jaws of equal length
- paramorphism — the process by which a paramorph is formed.
- paranthropus — (sometimes initial capital letter) a member of the former genus Paranthropus.
- paraphimosis — inability to retract the penis into the prepuce as a result of narrowing of the prepuce
- parapophysis — the process of a vertebra
- parasitology — the branch of biology dealing with parasites and the effects of parasitism.
- parasol pine — stone pine (def 1).
- parasphenoid — a bone next to the sphenoid bone in the skull of some animals
- parish house — a building used by a church chiefly for administrative and social purposes.
- parkinsonian — (sometimes initial capital letter) of, related to, or resembling Parkinson's disease.
- parkinsonism — Parkinson's disease.
- parlor house — (especially in the 19th and early 20th centuries) a brothel with a comfortable, often elaborately decorated parlor for the reception of clients.
- parochialise — to make parochial.
- parochialism — a parochial character, spirit, or tendency; excessive narrowness of interests or view; provincialism.
- parochialist — a parochial character, spirit, or tendency; excessive narrowness of interests or view; provincialism.
- paronomastic — the use of a word in different senses or the use of words similar in sound to achieve a specific effect, as humor or a dual meaning; punning.