16-letter words containing r, e, d, i
- outside director — a director of a company who is not employed by that company but is often employed by a holding or associated company
- over-descriptive — having the quality of describing; characterized by description: a descriptive passage in an essay.
- overdramatically — In an overdramatic manner.
- overhead railway — elevated railroad.
- oxidation number — the state of an element or ion in a compound with regard to the electrons gained or lost by the element or ion in the reaction that formed the compound, expressed as a positive or negative number indicating the ionic charge of the element or ion.
- paediatric nurse — a nurse who specializes in the care of children
- painted trillium — a North American trillium, Trillium undulatum, having white flowers streaked with pink or purple.
- para-phenetidine — a colorless organic liquid, C 8 H 1 1 NO, used chiefly in its para form (para-phenetidine) in the synthesis of phenacetin, dyes, and other compounds.
- parallelepipedon — a prism with six faces, all parallelograms.
- partial ordering — a relation defined on a set, having the properties that each element is in relation to itself, the relation is transitive, and if two elements are in relation to each other, the two elements are equal.
- parts of lindsey — an area in E England constituting a former administrative division of Lincolnshire
- pass-band filter — band-pass filter
- pays de la loire — a region of W France, on the Bay of Biscay: generally low-lying, drained by the River Loire and its tributaries; agricultural
- pearls of wisdom — good advice, wise words
- pencil and paper — An archaic information storage and transmission device that works by depositing smears of graphite on bleached wood pulp. More recent developments in paper-based technology include improved "write-once" update devices which use tiny rolling heads similar to mouse balls to deposit coloured pigment. All these devices require an operator skilled at so-called "handwriting" technique. These technologies are ubiquitous outside hackerdom, but nearly forgotten inside it. Most hackers had terrible handwriting to begin with, and years of keyboarding tend to have encouraged it to degrade further. Perhaps for this reason, hackers deprecate pencil-and-paper technology and often resist using it in any but the most trivial contexts.
- pension provider — the company or organization that makes provision for a person's pension
- percussion drill — a drill that is operated by percussion
- period furniture — furniture that was made during a particular period in time
- periodic decimal — repeating decimal.
- periodic tenancy — the letting of a dwelling for a repeated short term, as by the week, month, or quarter, with no end date
- permanganic acid — an acid, HMnO 4 , known only in solution.
- perpendicularity — vertical; straight up and down; upright.
- personal details — details about a person such as their name and address
- persulfuric acid — Also called Caro's acid, permonosulfuric acid, peroxymonosulfuric acid, peroxysulfuric acid. a white, crystalline solid, H 2 SO 5 , used as an oxidizing agent for certain organic compounds.
- petrified forest — a national park in E Arizona, containing petrified coniferous trees about 170 000 000 years old
- phase difference — the difference between two sinusoidally varying quantities that have the same frequency, measured either as an angle or a time
- photoperiodicity — the response, as affecting growth or reproduction, of an organism to the length of exposure to light in a 24-hour period.
- physical address — (memory management) The address presented to a computer's main memory in a virtual memory system, in contrast to the virtual address which is the address generated by the CPU. A memory management unit translates virtual addresses into physical addresses.
- phytoremediation — a process of decontaminating soil or water by using plants and trees to absorb or break down pollutants.
- picture moulding — the edge around a framed picture
- picture postcard — postcard (def 1).
- pierce's disease — a disease of grapes caused by a rickettsialike organism, characterized by dwarfing of vines, mottling of woody tissues, and plant death.
- pithecanthropoid — of, relating to, or resembling the former genus Pithecanthropus or one of its members.
- pocket billiards — pool2 (def 1).
- point de hongrie — flame stitch.
- polar coordinate — Usually, polar coordinates. one of two coordinates used to locate a point in a plane by the length of its radius vector and the angle this vector makes with the polar axis (polar angle)
- ponderosa (pine) — a yellow pine (Pinus ponderosa) of W North America, valued for its timber
- portuguese india — a former Portuguese overseas territory on the W coast of India, consisting of the districts of Gôa, Daman, and Diu: annexed by India December 1961. Capital: Gôa.
- posigrade rocket — an auxiliary rocket used to separate the sections of a multistage rocket, fired in the direction of flight.
- possession order — (in Britain) a court order that entitles a landlord legally to evict a tenant or squatter and regain possession of the property
- praetorian guard — the bodyguard of a military commander, especially the imperial guard stationed in Rome.
- pre-independence — Also, independency. the state or quality of being independent.
- predetermination — to settle or decide in advance: He had predetermined his answer to the offer.
- predispositional — the fact or condition of being predisposed: a predisposition to think optimistically.
- premier division — a football or soccer league division consisting of the top ten Scottish football teams
- prescription pad — a pad of prescriptions used by doctors, etc
- presence of mind — a calm state of mind that allows one to think clearly or act effectively in an emergency.
- preserved ginger — fresh ginger preserved in syrup and used in cooking, esp desserts
- pressure welding — the welding together of two objects by holding them together under pressure.
- pressurized suit — an airtight suit that can be inflated to maintain approximately normal atmospheric pressure on a person in space or at high altitudes.