12-letter words containing p, e, r, l, c
- peptic ulcer — an erosion of the mucous membrane of the lower esophagus, stomach, or duodenum, caused in part by the corrosive action of the gastric juice.
- perceptional — the act or faculty of perceiving, or apprehending by means of the senses or of the mind; cognition; understanding.
- perceptively — having or showing keenness of insight, understanding, or intuition: a perceptive analysis of the problems involved.
- perceptually — of, relating to, or involving perception.
- percussional — of or relating to percussion
- perfectively — in a perfective manner; thoroughly
- perichaetial — denoting the leaves in mosses that surround the archegonia and, later, the base of the sporophyte
- perimetrical — the border or outer boundary of a two-dimensional figure.
- periodic law — the law that the properties of the elements are periodic functions of their atomic numbers.
- periodically — recurring at intervals of time: periodic revivals of an interest in handicrafts.
- perivisceral — surrounding or situated about the viscera.
- perle cotton — a two-ply mercerized cotton thread used chiefly in handweaving and needlework.
- permaculture — a system of cultivation intended to maintain permanent agriculture or horticulture by relying on renewable resources and a self-sustaining ecosystem.
- perniciously — causing insidious harm or ruin; ruinous; injurious; hurtful: pernicious teachings; a pernicious lie.
- perspectival — a technique of depicting volumes and spatial relationships on a flat surface. Compare aerial perspective, linear perspective.
- persulphuric — denoting a type of acid
- pest control — rats, insects: extermination
- petroglyphic — relating to or having the characteristics of a petroglyph or carving made in rock
- pharmacolite — hydrous calcium arsenate, 2CaO⋅As 2 O 5 ⋅5H 2 O, formed by natural alteration of mineral deposits containing arsenopyrite and arsenical ores of cobalt and silver.
- photonuclear — of, relating to, or caused by the collision of high-energy photons with the nucleus of an atom.
- phylacteries — Judaism. either of two small, black, leather cubes containing a piece of parchment inscribed with verses 4–9 of Deut. 6, 13–21 of Deut. 11, and 1–16 of Ex. 13: one is attached with straps to the left arm and the other to the forehead during weekday morning prayers by Orthodox and Conservative Jewish men.
- pickerelweed — any American plant of the genus Pontederia, especially P. cordata, having spikes of blue flowers, common in shallow fresh water.
- pictorialize — to make pictorial; illustrate or represent with or as if with pictures.
- picture mold — a molding near a ceiling from which pictures can be suspended.
- picture rail — bar from which pictures are hung
- pig launcher — A pig launcher is a device which starts a pig moving without interrupting flow.
- pinch roller — a flexible device that presses magnetic tape against the capstan in a tape recorder.
- 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.
- pisciculture — the breeding, rearing, and transplantation of fish by artificial means.
- pitch circle — an imaginary circle within the profiles of the teeth of a gear, such that it rotates against a similar circle rotating at the same rate on a meshing gear.
- place-holder — Mathematics, Logic. a symbol in an expression that may be replaced by the name of any element of the set.
- placentiform — shaped like a placenta, with a flat rounded form
- 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.
- 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.
- plaster cast — any piece of sculpture reproduced in plaster of Paris.
- plecopterous — relating to the order Plecoptera or stoneflies
- plerocercoid — the wormlike larval stage of some tapeworms, intermediate between the first parasitic larval stage and adult.
- polar circle — either the Arctic or the Antarctic Circle.
- police court — an inferior court with summary jurisdiction for the trial of persons accused of any of certain minor offenses, and with power to examine those charged with more serious offenses and hold them for trial in a superior court or for a grand jury.
- police force — police (def 1).
- police power — the power of a nation, within the limits of its constitution, to regulate the conduct of its citizens in the interest of the common good.
- policeperson — a member of a police force.
- policyholder — the individual or firm in whose name an insurance policy is written; an insured.
- policymakers — a person responsible for making policy, especially in government.
- poliorcetics — the science of siegecraft
- politicaster — an ill-suited or disliked politician
- poll watcher — a representative of a political party or of an organization running a candidate who is assigned to the polls on an election day to watch for violations of the laws that regulate voting, campaigning, etc.
- polycentrism — the doctrine that a plurality of independent centers of leadership, power, or ideology may exist within a single political system, especially Communism.
- porcelainite — Mineralogy. mullite.