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12-letter words containing n, a, p, o

  • pharyngotomy — surgical incision into the pharynx
  • phengophobia — an abnormal dread or terror of natural light
  • phenomenally — highly extraordinary or prodigious; exceptional: phenomenal speed.
  • phenotypical — the observable constitution of an organism.
  • phentolamine — an alpha blocker, C 1 7 H 1 9 N 3 O, used to reduce hypertensive states caused by a catecholamine excess, as in the treatment of pheochromocytoma.
  • 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.
  • philharmonic — fond of or devoted to music; music-loving: used especially in the name of certain musical societies that sponsor symphony orchestras (Philharmonic Societies) and hence applied to their concerts (philharmonic concerts)
  • phonasthenia — difficult or abnormal voice production; vocal weakness.
  • phone phreak — a person who uses computers or other electronic devices to place long-distance telephone calls without paying toll charges.
  • phonemically — of or relating to phonemes: a phonemic system.
  • phonetic law — a statement of some regular pattern of sound change in a specific language, as Grimm's law or Verner's law.
  • phonetically — Also, phonetical. of or relating to speech sounds, their production, or their transcription in written symbols.
  • phonocamptic — possessing the property of reflecting sound or producing an echo
  • phonographic — of, relating to, or characteristic of a phonograph.
  • phonological — relating to study of speech sounds
  • phonotactics — the patterns in which the phonemes of a language may combine to form sequences.
  • phosphamidon — a systemic and contact insecticide, C 1 0 H 1 9 ClNO 5 P, used against beetles, aphids, mites, and other crop pests.
  • photo-ageing — premature wrinkling of the skin caused by overexposure to sunlight
  • photoactinic — emitting radiation having the chemical effects of light and ultraviolet rays, as on a photographic film.
  • photoanalyst — a person who analyzes and interprets photographs, especially a military specialist in aerial or satellite photography.
  • photodynamic — the science dealing with light and its effects on living organisms.
  • photoengrave — to make a photoengraving of.
  • photogelatin — pertaining to any photographic process in which gelatin is used to receive or transfer a print.
  • photomachine — a machine that prints copies of digital photographs
  • photomontage — a combination of several photographs joined together for artistic effect or to show more of the subject than can be shown in a single photograph.
  • photonuclear — of, relating to, or caused by the collision of high-energy photons with the nucleus of an atom.
  • phrasemonger — phrasemaker (def 2).
  • phycoxanthin — a yellow pigment found in brown seaweeds and types of algae
  • phytonadione — vitamin K1.
  • piano lesson — music class in playing the piano
  • piano nobile — the principal story of a large building, as of a palace or villa.
  • piano player — pianist.
  • picornavirus — any of a group of small, RNA-containing viruses of the family Picornaviridae, infectious to humans and other animals, and including the poliovirus and the rhinoviruses that cause the common cold.
  • picrocarmine — a red powder containing carmine and picric acid which is used in staining processes
  • pidyon haben — the rite of relieving the first male child born to parents not descended from Aaron or Levi of certain religious obligations by redeeming him from a member of the priestly class, celebrated 30 days after the child's birth.
  • pig-ignorant — extremely ignorant or unknowledgeable
  • pigeon grape — a high-climbing vine, Vitis aestivalis, of the eastern U.S., having leaves that are dull above and rusty beneath, and bearing black, edible fruit.
  • pigmentation — coloration, especially of the skin.
  • 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.
  • pindaric ode — an ode consisting of several units, each of which is composed of a strophe and an antistrophe of identical form followed by a contrasting epode.
  • pinealectomy — a surgical operation to remove the pineal gland
  • ping command — ping
  • 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
  • plain people — the Mennonites, Dunkers, and Amish people
  • plain-spoken — candid; frank; blunt.
  • plainclothes — Plainclothes police officers wear ordinary clothes instead of a police uniform.
  • plano-convex — pertaining to or noting a lens that is plane on one side and convex on the other.
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