15-letter words containing p, r, o, l, e
- preequalization — preemphasis.
- preimplantation — relating to the period before implantation in the uterus
- prenflo process — The PRENFLO process is a gasification process to convert substances such as oil, gas, coal, and refinery residue into synthetic gas.
- preprofessional — of or relating to the time preceding one's concentrated study or practice of a profession: preprofessional training.
- present oneself — to appear, esp at a specific time and place
- price inflation — inflation fuelled by rising prices
- primrose family — the plant family Primulaceae, characterized by herbaceous plants having simple, opposite, whorled, or basal leaves, flowers with a five-lobed corolla, and capsular fruit, and including cyclamen, loosestrife of the genus Lysimachia, pimpernel, primrose, and shooting star.
- primrose yellow — primrose (def 3).
- prince of wales — Prince of Wales and Duke of Cornwall ("The Black Prince") 1330–76, English military leader (son of Edward III).
- private soldier — A private soldier is a soldier of the lowest rank in an army or the marines.
- privately owned — owned by a private individual or organization, rather than by the state or a public body
- problem-solving — skills, process: of finding solutions
- problematically — of the nature of a problem; doubtful; uncertain; questionable.
- process control — a method of controlling and improving a process using statistical analysis
- processionalist — a member of a procession
- production line — an arrangement of machines or sequence of operations involved with a single manufacturing operation or production process. Compare assembly line, line1 (def 29).
- professionalism — professional character, spirit, or methods.
- professionalist — to give a professional character or status to; make into or establish as a profession.
- professionalize — to give a professional character or status to; make into or establish as a profession.
- profoundly deaf — unable to hear any sound below 95 decibels in one's better ear
- proletarianized — to convert or transform into a member or members of the proletariat: to proletarianize the middle class.
- proletarization — to proletarianize.
- propeller shaft — a shaft that transmits power from an engine to a propeller.
- property ladder — progress from cheaper to more expensive housing
- propionaldehyde — a colorless, water-soluble liquid, C 3 H 6 O, having a pungent odor: used chiefly in the manufacture of plastics.
- proportionately — proportioned; being in due proportion; proportional.
- proprietorially — in the manner of a proprietor
- propyl aldehyde — a colorless, water-soluble liquid, C 3 H 6 O, having a pungent odor: used chiefly in the manufacture of plastics.
- propylene group — the bivalent group −CH(CH 3)CH 2 −, derived from propylene or propane.
- propylhexedrine — a colorless, adrenergic, water-soluble liquid, C 1 0 H 2 N, used by inhalation as a nasal decongestant.
- proteolytically — by a proteolytic process
- pseudo-critical — inclined to find fault or to judge with severity, often too readily.
- pseudo-military — of, for, or pertaining to the army or armed forces, often as distinguished from the navy: from civilian to military life.
- pseudoparalysis — the inability to move a part of the body owing to factors, as pain, other than those causing actual paralysis.
- pseudotripteral — having an arrangement of columns suggesting a tripteral structure but without the inner colonnades.
- public offering — a sale of a new issue of securities to the general public through a managing underwriter (opposed to private placement): required to be registered with the Securities and Exchange Commission.
- public property — Public property is land and other assets that belong to the general public and not to a private owner.
- puerto vallarta — a city in W Mexico.
- pulmobranchiate — possessing a pulmobranch
- pulmonary valve — a semilunar valve between the pulmonary artery and the right ventricle of the heart that prevents the blood from flowing back into the right ventricle.
- purple foxglove — a medicinal plant, Digitalis purpurea, of western Europe, having finger-shaped, spotted, purple flowers and leaves from which digitalis is obtained.
- purposelessness — having no purpose or apparent meaning.
- pyrocrystalline — crystallized from a molten magma or highly heated solution.
- pyroelectricity — electrification or electrical polarity produced in certain crystals by temperature changes.
- pyrotechnically — in a pyrotechnical manner
- radar telescope — (in radar astronomy) a very large radar antenna used to study planetary bodies in the solar system.
- radio telephone — A radio telephone is a telephone which carries sound by sending radio signals rather than by using wires. Radio telephones are often used in cars.
- radio telescope — a system consisting of an antenna, either parabolic or dipolar, used to gather radio waves emitted by celestial sources and bring them to a receiver placed in the focus.
- radio-telephone — a telephone in which sound or speech is transmitted by means of radio waves instead of through wires or cables.
- radiotelegraphy — the constructing or operating of radiotelegraphs.