20-letter words containing or

order bill of lading — a bill of lading that is issued to the order of a shipper or consignee for delivery of the goods and that can be transferred by endorsement to third parties.
order code processor — (processor) The ICL 2900, ICL 3900 and above term for "CPU".
order of the thistle — an ancient Scottish order of knighthood revived by James VII of Scotland in 1687. It consists of the sovereign, 16 knights brethren, and extra members created by statute. It is the equivalent of the Order of the Garter, and is usually conferred on Scots
organization expense — the costs associated with organizing a business entity and bringing it into existence
orthognathic surgery — the surgical correction of deformities or malpositions of the jaw.
orthopaedic mattress — a specially firm mattress designed to help correct or ameliorate the discomfort of disorders of the spine and joints
orthophosphoric acid — a colorless, crystalline solid, H 3 PO 4 , the tribasic acid of pentavalent phosphorus: used chiefly in fertilizers, as a source of phosphorus salts, and in soft drinks as an acidulant and flavoring agent.
overseer of the poor — a minor official of a parish attached to the workhouse or poorhouse
pale western cutworm — the larva of a noctuid moth, Agrotis orthogonia, of the western U.S. and Canada, that seriously damages grains, beets, potatoes, alfalfa, etc., by feeding underground on roots and stems.
para-dichlorobenzene — a white, crystalline, volatile, water-insoluble solid, C 6 H 4 Cl 2 , of the benzene series, having a penetrating odor: used chiefly as a moth repellent.
parataxic distortion — a distortion in perception, especially of interpersonal relationships, based on a tendency to perceive others in accordance with a pattern determined by previous experiences.
particle accelerator — accelerator (def 7).
patent foramen ovale — a congenital heart defect resulting from failure of the foramen ovale to close shortly after birth.
pave the way for sth — If one thing paves the way for another, it creates a situation in which it is possible or more likely that the other thing will happen.
peer-to-peer network — peer-to-peer
peremptory challenge — a formal objection to the service of a juror by a party to a criminal prosecution or a civil action that requires no showing of cause.
peremptory exception — a plea in bar of an action.
personality disorder — any of a group of mental disorders characterized by deeply ingrained maladaptive patterns of behavior and personality style, which are usually recognizable as early as adolescence and are often lifelong in duration.
phosphoric anhydride — phosphorus pentoxide.
phosphorus pentoxide — a white, deliquescent, crystalline powder, P 2 O 5 , that, depending upon the amount of water it absorbs, forms orthophosphoric acid, metaphosphoric acid, or pyrophosphoric acid, produced by the burning of phosphorus in dry air: used in the preparation of phosphoric acids, as a drying and dehydrating agent, and in organic synthesis.
photophosphorylation — phosphorylation that utilizes light as a source of energy, as in the formation of ATP from ADP and phosphorus during photosynthesis.
physical meteorology — the branch of meteorology dealing with the study of optical, electrical, acoustical, and thermodynamic phenomena in the atmosphere, including the physics of clouds and precipitation.
polymorphic function — a function in a computer program that can deal with a number of different types of data
poor man's something — a (cheaper) substitute for something
porcupine provisions — provisions, such as poison pills or staggered directorships, made in the bylaws of a company to deter takeover bids
portal-to-portal pay — payment, as to a miner or factory worker, that includes compensation for time spent on the employer's premises in preparation for a work shift, in travel from the entrance to the assigned work area and back, etc.: Because workers must change their clothes and pick up tools prior to the work shift, they are demanding portal-to-portal pay.
portfolio employment — the practice of working for several employers simultaneously rather than working full-time for a single employer
portrait photography — the activity or art of taking portrait photos
portuguese water dog — one of a breed of medium-sized dogs originally developed to assist Portuguese fishermen and having a profuse black or brown coat with or without white markings and webbed feet.
post-order traversal — traversal
pride of the morning — light mist or precipitation observed at sea in the morning and regarded as indicating a fine day.
prime number theorem — the theorem that the number of prime numbers less than or equal to a given number is approximately equal to the given number divided by its natural logarithm.
priority inheritance — (parallel) A technique for avoiding priority inversion by temporarily raising the prioriry of all processes that want to access a shared resource to the highest priority level of any of them. Priority inversion occurs where a low priority process, L is holding a resource required by a high priority process, H, but L is not running because a medium priority process, M is running. Under priority inheritance, L temporarily inherits H's priority, allowing L to run and release the resource H is waiting for. For example, an ambulance (H) is stuck behind a lorry (L) waiting at a junction (the shared resource) for a gap in a line of cars (M) using the junction. Applying priority inheritance, the cars give way to the lorry as they would to the ambulance, thus allowing the lorry and then the ambulance to use the junction.
private investigator — private detective. Abbreviation: PI, p.i., P.I.
propeller horsepower — a measure of the power actually available for driving a propeller after all wasted energy is deducted.
proportional counter — a radiation counter in which the strength of each electric pulse generated per count is proportional to the energy of the particle or photon producing the pulse, alpha particles producing a different electric pulse from beta rays.
proportional spacing — a feature of some typewriters and other output devices whereby the space allotted to each character is determined by the width of the character
prosecuting attorney — the public officer in a county, district, or other jurisdiction charged with carrying on the prosecution in criminal proceedings.
psychomotor epilepsy — temporal-lobe epilepsy.
public administrator — an official of a city, county, or state government.
public record office — an institution in which official records are stored and kept available for inspection by the public
put the hard word on — to ask or demand something from
pythagoras's theorem — (mathematics) The theorem of geometry, named after Pythagoras, of Samos, Ionia, stating that, for a right-angled triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides. I.e. if the longest side has length A and the other sides have lengths B and C (in any units), A^2 = B^2 + C^2 (2004-02-12)
quadrantal corrector — either of two soft-iron spheres attached to each side of a binnacle, intended to correct the compass deviation (quadrantal deviation) resulting from magnetism from ferrous metal in a ship.
quantum field theory — any theory in which fields are treated by the methods of quantum mechanics; each field can then be regarded as consisting of particles of a particular kind, which may be created and annihilated.
quarantine anchorage — an anchorage for ships awaiting a pratique.
random access memory — RAM.
random-access memory — RAM.
rapid reaction force — a force that can be deployed swiftly to a site of conflict or potential conflict
refrigerator-freezer — a large appliance housing one compartment for refrigerating food and another for freezing.

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