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

  • phantom limb — a phenomenon characterized by the experience of pain, discomfort, or other sensation in the area of a missing limb or other body part, as a breast.
  • phengophobia — an abnormal dread or terror of natural light
  • 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.
  • 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.
  • photodynamic — the science dealing with light and its effects on living organisms.
  • 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
  • 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
  • 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.
  • planographic — the art or technique of printing from a flat surface directly or by offset.
  • 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
  • platonically — of, relating to, or characteristic of Plato or his doctrines: the Platonic philosophy of ideal forms.
  • player piano — a piano that can play automatically when the keys are actuated electronically or by a pneumatic device controlled by a piano roll.
  • plumbaginous — containing graphite.
  • poetastering — the profession of being a poetaster
  • poeticalness — the characteristic of being poetical
  • pogson ratio — the brightness ratio of two celestial objects that differ by one magnitude. On the Pogson scale a difference of 5 magnitudes is defined as a difference of 100 in the intensities of two stars; therefore a difference of 1 magnitude is equal to the fifth root of 100, i.e. 2.512
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