12-letter words containing l, p, n
- pig islander — a New Zealander
- pig launcher — A pig launcher is a device which starts a pig moving without interrupting flow.
- pigeon blood — dark red.
- pigeon clock — a device for timing the arrivals of pigeons being raced, consisting of a magazine for holding the identification bands of the contestants in the order in which they are inserted and a recording clock to register the times of insertion.
- pilot burner — pilot light (def 1).
- pilot engine — a locomotive sent on ahead of a railroad train to see that the way is clear and the track safe.
- pilot signal — a signal, as a flag or light, used to request a pilot.
- piltdown man — a hypothetical early modern human, assigned to the genus Eoanthropus, whose existence was inferred from skull fragments that were allegedly found at Piltdown, England, in 1912 but were exposed as fraudulent through chemical analysis in 1953.
- pinch roller — a flexible device that presses magnetic tape against the capstan in a tape recorder.
- pine warbler — a warbler, Dendroica pinus, inhabiting pine forests of the southeastern U.S.
- pineal gland — a small, cone-shaped endocrine organ in the posterior forebrain, secreting melatonin and involved in biorhythms and gonadal development.
- pinealectomy — a surgical operation to remove the pineal gland
- pink-slipped — (of an employee) given notice of redundancy
- pipe cleaner — a short length of twisted flexible wires covered with tufted fabric, used to clean the stem of a smoker's pipe and for various handicrafts.
- piperacillin — a broad-spectrum semisynthetic penicillin, C 2 3 H 2 6 N 5 NaO 7 , used against certain susceptible Gram-positive and Gram-negative bacteria and certain anaerobes, especially P. aeruginosa.
- piss-elegant — displaying a contrived, often pretentious, sophistication, opulence, etc.
- pit dwelling — a primitive dwelling consisting of a pit excavated in the earth and roofed over.
- placentation — Anatomy, Zoology. the formation of a placenta. the manner of placement or construction of a placenta.
- placentiform — shaped like a placenta, with a flat rounded form
- placentology — the scientific study of the placenta
- plagiarising — to take and use by plagiarism.
- plaid screen — [XEROX PARC] A "special effect" that occurs when certain kinds of memory smashes overwrite the control blocks or image memory of a bit-mapped display. The term "salt and pepper" may refer to a different pattern of similar origin. Though the term as coined at PARC refers to the result of an error, some of the X demos induce plaid-screen effects deliberately as a display hack.
- plain as day — obvious
- plain people — the Mennonites, Dunkers, and Amish people
- plain turkey — a bustard
- plain-spoken — candid; frank; blunt.
- plainclothes — Plainclothes police officers wear ordinary clothes instead of a police uniform.
- planck's law — the law that energy associated with electromagnetic radiation, as light, is composed of discrete quanta of energy, each quantum equal to Planck's constant times the corresponding frequency of the radiation: the fundamental law of quantum mechanics.
- plane strain — Plane strain is a two-dimensional state of strain in which all the shape changes of a material happen on a single plane.
- plane stress — Plane stress is a two-dimensional state of stress in which all stress is applied in a single plane.
- plane ticket — entitlement to travel by aircraft
- planet earth — the world
- planet wheel — any of the gears in an epicyclic train surrounding and engaging with the sun gear.
- planetesimal — one of the small celestial bodies that, according to one theory (planetesimal hypothesis) were fused together to form the planets of the solar system.
- planing hull — a hull that tends to rise from the water when under way so that no significant amount of water is displaced beyond a certain speed.
- planlessness — the state or condition of being planless
- plano-convex — pertaining to or noting a lens that is plane on one side and convex on the other.
- planoconcave — pertaining to or noting a lens that is plane on one side and concave on the other.
- planographic — the art or technique of printing from a flat surface directly or by offset.
- plant-cutter — any of several South American, passerine birds of the family Phytotomidae, superficially resembling grosbeaks but having serrated edges on the bill that aid in cutting leaves and other plant food.
- plasteriness — the state of being made of or resembling plaster
- plastination — a technique for embalming bodies by impregnating whole organs with silicon polymers
- plastocyanin — a blue protein found in green plants and in some bacteria
- platanaceous — relating to the family Platanaceae
- platitudinal — platitudinous.
- platonically — of, relating to, or characteristic of Plato or his doctrines: the Platonic philosophy of ideal forms.
- play chicken — to engage in a test of courage in which, typically, two vehicles are driven directly toward one another in order to see which driver will swerve away first
- play reading — the activity when a group of people read the parts of a play
- player piano — a piano that can play automatically when the keys are actuated electronically or by a pneumatic device controlled by a piano roll.
- playing card — one of the conventional set of 52 cards in four suits, as diamonds, hearts, spades, and clubs, used in playing various games of chance and skill.