19-letter words containing p, l
- oral interpretation — the study and practice of vocally expressing the meaning of written compositions, especially of literature.
- outplacement agency — an agency that provides counselling and careers advice, esp to redundant executives, which is paid for by their previous employer
- overplay one's hand — If you say that someone is overplaying something such as a problem, you mean that they are making it seem more important than it really is.
- oxidation potential — (in a galvanic cell) the potential of the electrode at which oxidation occurs.
- palaeoethnobotanist — someone who studies fossil seeds and grains to further archaeological knowledge, esp of the domestication of cereals
- paleoanthropologist — the study of the origins and predecessors of the present human species, using fossils and other remains.
- palisade parenchyma — the upper layer of ground tissue in a leaf, consisting of elongated cells beneath and perpendicular to the upper epidermis and constituting the primary area of photosynthesis.
- palomar observatory — an astronomical observatory situated on Palomar Mountain in S California, having a 200-inch (508-cm) reflecting telescope and a 48-inch (122-cm) Schmidt telescope.
- papal infallibility — the dogma that the pope cannot err in a solemn teaching addressed to the whole church on a matter of faith or morals.
- paradichlorobenzene — 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.
- parainfluenza virus — any of a group of viruses that cause respiratory infections with influenza-like symptoms, esp in children
- parallactic ellipse — the apparent ellipse, as seen against the background of more distant stars, described annually by a nearby star because of the earth's orbital motion around the sun. Compare parallax (def 2).
- parallel processing — extending in the same direction, equidistant at all points, and never converging or diverging: parallel rows of trees.
- parallel projection — a projection from one plane to a second plane in which the lines joining points on the first plane and corresponding images are parallel.
- paraphase amplifier — an amplifier that produces a push-pull output from a single input.
- parliament building — structure housing legislative offices
- parliamentary agent — (in Britain) a person who is employed to manage the parliamentary business of a private group
- parthenogenetically — development of an egg without fertilization.
- particle dispersoid — A particle dispersoid is a suspension of solid particles in a gas.
- particle kinematics — Particle kinematics is the study of the movement of particles, without considering the forces that cause this movement.
- particle separation — a rule that moves the particle of a phrasal verb, thus deriving a sentence like He looked the answer up from a structure that also underlies He looked up the answer
- particle technology — Particle technology is knowledge and study which relates to particles, and is used in industry.
- particular negative — a proposition of the form “Some S is not P.” Symbol: O.
- particular solution — a solution of a differential equation containing no arbitrary constants.
- party-column ballot — Indiana ballot.
- pass someone's lips — to be eaten or drunk by someone
- pastoral counseling — the use of psychotherapeutic techniques by trained members of the clergy to assist parishioners who seek help for personal or emotional problems.
- patrol torpedo boat — PT boat.
- paumotu archipelago — Tuamotu Archipelago.
- peak envelope power — (communications) (PEP) The maximum power output by a radio transmitter over one complete RF cycle at any modulation.
- peak listening time — the time at which the highest numbers of audiences are listening to the radio
- peninsular malaysia — part of Malaysia, on the Malay Peninsula: consists of the former Federated Malay States, the former Unfederated Malay States, and the former Straits Settlements. Capital: Kuala Lumpur. Pop: 17 144 322 (2000). Area: 131 587 sq km (50 806 sq miles)
- percussion drilling — Percussion drilling is a drilling method which involves lifting and dropping heavy tools to break rock, and uses steel casing tubes to stop the borehole from collapsing.
- perfoliate bellwort — a slender plant, Uvularia perfoliata, of the lily family, of eastern North America, having pale yellow, bell-shaped flowers.
- peridental membrane — periodontal membrane.
- periodontal disease — any of various mixed bacterial infections that affect the soft tissues and bones supporting the teeth.
- peritoneal dialysis — a form of dialysis in which the peritoneum is used as an autogenous semipermeable membrane
- peroxysulfuric acid — persulfuric acid (def 1).
- perpetual adoration — uninterrupted adoration of the Blessed Sacrament.
- perpetual debenture — a bond or debenture that can either never be redeemed or cannot be redeemed on demand
- perpetual inventory — a form of stock control in which running records are kept of all acquisitions and disposals
- persecution complex — an acute irrational fear that other people are plotting one's downfall and that they are responsible for one's failures
- persian gulf states — group of Arab sheikdoms along the Persian Gulf: Kuwait, Bahrain, Qatar, & United Arab Emirates
- personal belongings — possessions; things that belong to someone
- personal stationery — headed notepaper
- personal watercraft — a jet-propelled boat ridden like a motorcycle.
- phacoemulsification — the removal of a cataract by first liquefying the affected lens with ultrasonic vibrations and then extracting it by suction.
- phakoemulsification — the removal of a cataract by first liquefying the affected lens with ultrasonic vibrations and then extracting it by suction.
- phenylethyl alcohol — phenethyl alcohol.
- phenylpropanolamine — a substance, C 9 H 1 3 NO, related to ephedrine and amphetamine, available in various popular nonprescription diet aids as an appetite suppressant.