15-letter words containing a, r, p, o, n, t
- port wine stain — a large birthmark of purplish color, usually on the face or neck.
- port-wine stain — a large birthmark of purplish color, usually on the face or neck.
- portative organ — capable of being carried; portable.
- portland cement — a type of hydraulic cement usually made by burning a mixture of limestone and clay in a kiln.
- post-industrial — of, relating to, or characteristic of an era following industrialization: The economy of the postindustrial society is based on the provision of services rather than on the manufacture of goods.
- post-liberation — the act of liberating or the state of being liberated.
- post-parturient — bearing or about to bear young; travailing.
- postirradiation — occurring after or due to irradiation
- posttransfusion — occurring after or as a result of a transfusion
- poultry farming — breeding and keeping fowl
- power macintosh — Power Mac
- prairie pointer — shooting star (def 2).
- pre-acquisition — the act of acquiring or gaining possession: the acquisition of real estate.
- pre-celebration — an act of celebrating.
- pre-concentrate — to bring or draw to a common center or point of union; converge; direct toward one point; focus: to concentrate one's attention on a problem; to concentrate the rays of the sun with a lens.
- pre-contractual — a preexisting contract that legally prevents a person from making another contract of the same nature.
- pre-deprivation — the act of depriving.
- pre-negotiation — mutual discussion and arrangement of the terms of a transaction or agreement: the negotiation of a treaty.
- pre-preparation — a proceeding, measure, or provision by which one prepares for something: preparations for a journey.
- pre-reformation — the act of reforming; state of being reformed.
- pre-romanticism — romantic spirit or tendency.
- preconceptional — a conception or opinion formed beforehand.
- preequalization — preemphasis.
- prefix notation — (language) (Or "prefix syntax") One of the possible orderings of functions and operands: in prefix notation the function precedes all its operands. For example, what may normally be written as "1+2" becomes "(+ 1 2)". A few languages (e.g., lisp) have strictly prefix syntax, many more employ prefix notation in combination with infix notation. The opposite, postfix notation, is somewhat rarer.
- preformationism — the belief in the theory of preformation
- preformationist — someone who advocates the theory of preformation
- preimplantation — relating to the period before implantation in the uterus
- premodification — an act or instance of modifying.
- prenotification — notice that is given or served prior to a specific date; advance notice.
- preregistration — early registration, in advance of event or general registration
- presentationism — the doctrine that in perception, or in all forms of knowledge, there is an immediate awareness of the things perceived.
- preservationism — a person who advocates or promotes preservation, especially of wildlife, natural areas, or historical places.
- preservationist — a person who advocates or promotes preservation, especially of wildlife, natural areas, or historical places.
- preverification — the state of being verified.
- price inflation — inflation fuelled by rising prices
- primary contact — a communication or relationship between people that is characterized by intimacy and personal familiarity.
- principal point — the point where a principal plane intersects the axis.
- prior restraint — a court order banning publication of unpublished material.
- private company — a company whose shareholders may not exceed 50 in number and whose shares may not be offered for public subscription.
- private tuition — instruction, esp that received in a small group or individually, that is arranged and paid for by an individual rather than by the state
- privately owned — owned by a private individual or organization, rather than by the state or a public body
- pro-abortionist — pro-choice.
- pro-confederate — united in a league, alliance, or conspiracy.
- pro-integration — an act or instance of combining into an integral whole.
- pro-nationalist — a person devoted to nationalism.
- probation order — an order imposed by a magistrate or judge under which an offender is sentenced to probation rather than imprisonment
- probationership — the position of a probationer
- probit equation — A probit equation is used to quantify the relationship between the concentration of a dangerous material and its effect on people.
- process heating — Process heating is heating, usually from steam, which is used to increase the temperature in a process vessel.
- processionalist — a member of a procession