12-letter words containing a, d, o, p, t
- madreporites — Plural form of madreporite.
- meadow pipit — a common European songbird, Anthus pratensis, with a pale brown speckled plumage: family Motacillidae (pipits and wagtails)
- median point — centroid (def 2).
- mediatorship — the position of a mediator
- mousetrapped — Simple past tense and past participle of mousetrap.
- non-adoption — the act of adopting: the adoption of a new amendment.
- nontyphoidal — of, relating to, or resembling typhoid.
- octapeptides — Plural form of octapeptide.
- odontography — a treatise regarding the teeth
- odontophobia — an unnatural dread or terror of teeth
- odontophoran — a member of the family Odontophora
- open-hearted — unreserved, candid, or frank: open-hearted advice.
- opium addict — someone who is addicted to the dried juice extracted from the unripe seed capsules of the opium poppy
- optical diff — vdiff
- optical disc — Also, optical disc. Also called laser disk. a grooveless disk on which digital data, as text, music, or pictures, is stored as tiny pits in the surface and is read or replayed by a laser beam scanning the surface.
- optical disk — Also, optical disc. Also called laser disk. a grooveless disk on which digital data, as text, music, or pictures, is stored as tiny pits in the surface and is read or replayed by a laser beam scanning the surface.
- 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.
- orthopedical — (American spelling) Alternative form of orthopaedical.
- outspreading — Present participle of outspread.
- packed tower — A packed tower is a tall distillation vessel which uses packing.
- packet radio — (communications, radio) The use of packet switched communications protocols in large networks (i.e not wireless LANs or Bluetooth) having wireless links to terminals at least. Packet radio is split into amateur packet radio (AX25) and General Packet Radio Service (GRPS).
- 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
- 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.
- palo cortado — a rich, dry sherry
- panel doctor — a doctor within a given area available for consultation by patients insured under the National Health Insurance Scheme
- particolored — having different colors in different areas or patches; variegated: a parti-colored dress.
- pas d'action — a dramatic, pantomimic dance sequence serving to advance the plot.
- pas de trois — a dance for three dancers.
- pastry board — a flat board on which pastry is rolled
- payment bond — See under contract bond.
- pedantocracy — rule by pedants; a system of government by pedants
- pediculation — the act or process of growing a stalk or pedicle
- pentacrinoid — a larval crinoid resembling members of the genus Pentacrinus
- pentadecagon — a polygon having 15 angles and 15 sides.
- pentahydroxy — (of a molecule) containing five hydroxyl groups.
- peroxidation — a type of reaction in which oxygen atoms are formed leading to the production of peroxides. It is stimulated in the body by certain toxins and infections
- petrodollars — Petrodollars are a unit of money used to calculate how much a country has earned by exporting petroleum or natural gas.
- petrozavodsk — a city in NW Russia, capital of the Karelian Autonomous Republic, on Lake Onega: developed around ironworks established by Peter the Great in 1703; university (1940). Pop: 265 000 (2005 est)
- phosphatidic — of or relating to a phosphatide
- phosphatidyl — an atom or group of atoms containing one or more unpaired electrons derived from a phosphatide
- photo spread — a picture spread. See under spread (def 33).
- photo-stated — a camera for making facsimile copies of documents, drawings, etc., in the form of paper negatives on which the positions of lines, objects, etc., in the originals are maintained.
- photocathode — a cathode, typically of a cesium or sodium compound, having the property of emitting electrons when activated by light or other radiation.
- photodynamic — the science dealing with light and its effects on living organisms.
- phytonadione — vitamin K1.
- pilot ladder — Jacob's ladder (def 2a).
- piltdown man — a hypothetical early modern human, assigned to the genus Eoanthropus, whose existence was inferred from skull fragments that were allegedly found at Piltdown, England, in 1912 but were exposed as fraudulent through chemical analysis in 1953.