12-letter words containing p, e, o, y
- oyster plant — salsify.
- pachydermous — any of the thick-skinned, nonruminant ungulates, as the elephant, hippopotamus, and rhinoceros.
- palaebiology — the study of fossil animals and plants
- palaeobotany — the study of fossil plants
- palaeography — the study of the handwritings of the past, and often the manuscripts as well, so that they may be dated, read, etc, and may serve as historical and literary sources
- paleobiology — the branch of paleontology dealing with fossil life forms, especially with reference to their origin, structure, evolution, etc.
- paleoecology — the branch of ecology dealing with the relations and interactions between ancient life forms and their environment.
- paleogeology — the science of representing geologic conditions of some given time in past earth history.
- paleontology — the science of the forms of life existing in former geologic periods, as represented by their fossils.
- paleozoology — the branch of paleontology dealing with fossil animals.
- pancytopenia — an abnormally low level of all blood cells
- pantaloonery — foolery; humorous entertainment
- paracyanogen — a polymer of cyanogen
- parahydrogen — the form of molecular hydrogen in which the nuclei of the two hydrogen atoms contained in the molecule have spins in opposite directions.
- parity error — (storage, communications) An error discovered by the inclusion of a parity bit.
- paroemiology — the study of proverbs
- party pooper — a person who hasn't the interest or vitality to participate actively in a social party and whose mood, attitude, or personality lessens others' enjoyment; killjoy.
- party popper — party favour: explosive streamer
- passionately — having, compelled by, or ruled by intense emotion or strong feeling; fervid: a passionate advocate of socialism.
- patellectomy — the surgical removal of the patella
- pay envelope — an envelope containing a paycheck or wages.
- payment bond — See under contract bond.
- peabody bird — the white-throated sparrow.
- pearl hominy — whole or ground hulled corn from which the bran and germ have been removed by bleaching the whole kernels in a lye bath (lye hominy) or by crushing and sifting (pearl hominy)
- pearl oyster — any of several marine bivalve mollusks of the family Pteriidae, some of which form pearls of great value, inhabiting waters of eastern Asia and off the coasts of Panama and Baja California.
- pectoriloquy — vocalization through the chest wall, indicating a cavity or consolidation of the lung
- pedantocracy — rule by pedants; a system of government by pedants
- penal colony — remote prison
- penalty goal — a goal scored as a result of a penalty
- penalty shot — a free shot at the goal defended only by the goalkeeper, awarded to an offensive player for certain defensive violations.
- penalty spot — a point within the penalty area and 12 yards (about 11 m) from the goal, from which a penalty kick may be taken
- penny loafer — a loafer with a slot on the vamp that can hold a coin, usually a penny.
- penny stocks — Penny stocks are high-risk stock that sells for a very low price outside of the main stock exchange.
- pentagonally — in a pentagonal manner; in the fashion of a pentagon
- pentahydroxy — (of a molecule) containing five hydroxyl groups.
- pentyl group — any of the univalent, isomeric groups having the formula C 5 H 1 1 –.
- peptidolytic — causing the hydrolysis of peptides.
- peremptorily — leaving no opportunity for denial or refusal; imperative: a peremptory command.
- perfidiously — deliberately faithless; treacherous; deceitful: a perfidious lover.
- pericynthion — the point at which a spacecraft launched from earth into a lunar orbit is nearest the moon
- perinatology — a field of medicine focusing on problems emerging during the perinatal period.
- periodically — recurring at intervals of time: periodic revivals of an interest in handicrafts.
- perionychium — the epidermis surrounding the base and sides of a fingernail or toenail.
- peritoneally — through the peritoneum
- perniciously — causing insidious harm or ruin; ruinous; injurious; hurtful: pernicious teachings; a pernicious lie.
- peroxy group — the bivalent group –O 2 –, derived from hydrogen peroxide.
- peroxyborate — perborate.
- personifying — to attribute human nature or character to (an inanimate object or an abstraction), as in speech or writing.
- perspiratory — of, relating to, or stimulating perspiration.
- petroglyphic — relating to or having the characteristics of a petroglyph or carving made in rock