12-letter words containing h, y, p, o
- onychophagia — the practice of biting one's nails, especially when done habitually and as a symptom of emotional disturbance.
- onychophoran — any small, predatory, caterpillarlike animal of the phylum Onychophora, common in tropical forests, having stubby legs ending in pincers.
- oophorectomy — the operation of removing one or both ovaries; ovariectomy.
- ophthamology — Misspelling of ophthalmology.
- opthalmology — Misspelling of ophthalmology.
- organography — the description or visual depiction of organs.
- ornithophily — pollination of flowers by birds
- ornithoscopy — divination from the observation of birds
- oropharynxes — Plural form of oropharynx.
- pachycarpous — having a thick pericarp
- pachydermous — any of the thick-skinned, nonruminant ungulates, as the elephant, hippopotamus, and rhinoceros.
- 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
- palatography — a technique for observing the position of the tongue in relation to the palate during articulation, especially by placing powder or dye on the palate and then noting the area from which it has been removed by the contact of the tongue with the palate during the production of a speech sound.
- parahydrogen — the form of molecular hydrogen in which the nuclei of the two hydrogen atoms contained in the molecule have spins in opposite directions.
- parapophysis — the process of a vertebra
- pathobiology — pathology with emphasis on the biological aspects of disease
- 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)
- penalty shot — a free shot at the goal defended only by the goalkeeper, awarded to an offensive player for certain defensive violations.
- pentahydroxy — (of a molecule) containing five hydroxyl groups.
- pericynthion — the point at which a spacecraft launched from earth into a lunar orbit is nearest the moon
- perionychium — the epidermis surrounding the base and sides of a fingernail or toenail.
- petroglyphic — relating to or having the characteristics of a petroglyph or carving made in rock
- petrophysics — the analysis of the constitution and characteristics of rocks
- phagocytoses — phagocytize.
- phagocytosis — Physiology. the ingestion of a smaller cell or cell fragment, a microorganism, or foreign particles by means of the local infolding of a cell's membrane and the protrusion of its cytoplasm around the fold until the material has been surrounded and engulfed by closure of the membrane and formation of a vacuole: characteristic of amebas and some types of white blood cells.
- phagocytotic — relating to phagocytosis
- phanerophyte — a tree or shrub that bears its perennating buds more than 25 cm above the level of the soil
- pharmacology — the science dealing with the preparation, uses, and especially the effects of drugs.
- pharyngology — the science of the pharynx and its diseases.
- pharyngotomy — surgical incision into the pharynx
- phenocrystic — relating to a phenocryst
- phenomenally — highly extraordinary or prodigious; exceptional: phenomenal speed.
- phenotypical — the observable constitution of an organism.
- phenyl group — the univalent group C 6 H 5 –, derived from benzene.
- philanthropy — altruistic concern for human welfare and advancement, usually manifested by donations of money, property, or work to needy persons, by endowment of institutions of learning and hospitals, and by generosity to other socially useful purposes.
- phlebography — venography.
- phlox family — the plant family Polemoniaceae, characterized by herbaceous or sometimes shrubby plants having simple or compound leaves, flowers with a five-lobed corolla, and capsular fruit, and including gilia, Jacob's-ladder, moss pink, and phlox.
- phonemically — of or relating to phonemes: a phonemic system.
- phonetically — Also, phonetical. of or relating to speech sounds, their production, or their transcription in written symbols.
- phosphatidyl — an atom or group of atoms containing one or more unpaired electrons derived from a phosphatide
- photo layout — a picture spread. See under spread (def 33).
- photoanalyst — a person who analyzes and interprets photographs, especially a military specialist in aerial or satellite photography.
- photobiology — the study of the effects of light on biological systems.
- photodynamic — the science dealing with light and its effects on living organisms.
- photogeology — the technique of interpreting geology from aerial photographs or compiling geologic maps therefrom.
- photoglyphic — of or relating to photoglyphy
- photolyzable — able to undergo photolysis
- photopolymer — a polymer or plastic that undergoes a change in physical or chemical properties when exposed to light.
- phototherapy — treatment of disease, especially of the skin, by means of light rays.
- phototypeset — to set (type matter) by phototypesetting