15-letter words containing i, r, a, t, o, n
- 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- prior restraint — a court order banning publication of unpublished material.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-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
- procrastinating — to defer action; delay: to procrastinate until an opportunity is lost.
- procrastination — the act or habit of procrastinating, or putting off or delaying, especially something requiring immediate attention: She was smart, but her constant procrastination led her to be late with almost every assignment.
- procrastinative — to defer action; delay: to procrastinate until an opportunity is lost.
- procrastinatory — to defer action; delay: to procrastinate until an opportunity is lost.
- procreativeness — the quality of being procreative
- professionalist — to give a professional character or status to; make into or establish as a profession.
- profit and loss — the gain and loss arising from commercial or other transactions, applied especially to an account or statement of account in bookkeeping showing gains and losses in business.
- prognostication — the act of prognosticating.
- prognosticators — to forecast or predict (something future) from present indications or signs; prophesy.
- program trading — trading on international stock exchanges using a computer program to exploit differences between stock index futures and actual share prices on world equity markets
- proletarianized — to convert or transform into a member or members of the proletariat: to proletarianize the middle class.
- proletarization — to proletarianize.
- promotion board — group that markets or advertises sth
- pronunciational — relating to pronunciation
- proper fraction — a fraction having the numerator less, or lower in degree, than the denominator.
- proportionality — having due proportion; corresponding.
- proportionately — proportioned; being in due proportion; proportional.
- propositionally — the act of offering or suggesting something to be considered, accepted, adopted, or done.
- propylitization — the alteration of igneous rock to propylite
- pseudo-romantic — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
- psychohistorian — a person who writes psychohistory
- pulmobranchiate — possessing a pulmobranch
- pyrocrystalline — crystallized from a molten magma or highly heated solution.