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12-letter words that end in n

  • 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.
  • placentation — Anatomy, Zoology. the formation of a placenta. the manner of placement or construction of a placenta.
  • 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.
  • plain-spoken — candid; frank; blunt.
  • plane strain — Plane strain is a two-dimensional state of strain in which all the shape changes of a material happen on a single plane.
  • 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
  • play chicken — to engage in a test of courage in which, typically, two vehicles are driven directly toward one another in order to see which driver will swerve away first
  • plea bargain — to engage in plea bargaining.
  • plea-bargain — to engage in plea bargaining.
  • plunge basin — a cavity at the base of a falls or cataract, formed by the action of the falling water.
  • pogonophoran — any member of the small phylum Pogonophora, slender tentacled animals having a tubelike outer covering, living on the deep ocean bottom.
  • polarization — a sharp division, as of a population or group, into opposing factions.
  • policeperson — a member of a police force.
  • pollen grain — a single granule of pollen.
  • polysyndeton — the use of a number of conjunctions in close succession.
  • porphyropsin — a purple pigment occurring in the retina of the eye of certain freshwater fishes
  • port captain — an official in charge of the harbor activities of a seaport.
  • port jackson — an inlet of the Pacific in SE Australia: the harbor of Sydney.
  • positive ion — an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons, as a cation (positive ion) which is created by electron loss and is attracted to the cathode in electrolysis, or as an anion (negative ion) which is created by an electron gain and is attracted to the anode. The valence of an ion is equal to the number of electrons lost or gained and is indicated by a plus sign for cations and a minus sign for anions, thus: Na + , Cl−, Ca ++ , S = .
  • post captain — (formerly) a naval officer holding a commission as a captain, as distinct from an officer with the courtesy title of captain
  • postabortion — Also called voluntary abortion. the removal of an embryo or fetus from the uterus in order to end a pregnancy.
  • postal union — an international agreement on postal rates and services.
  • postdiluvian — existing or occurring after the Biblical Flood.
  • postelection — the selection of a person or persons for office by vote.
  • postillation — the writing or preaching of postils
  • postmeridian — of or relating to the afternoon.
  • postposition — the act of placing after.
  • potentiation — the act of potentiating
  • power-driven — powered by an electric motor
  • pre-creation — the act of producing or causing to exist; the act of creating; engendering.
  • pre-election — a choice or selection made beforehand.
  • pre-ignition — ignition of the charge in an internal-combustion engine earlier in the cycle than is compatible with proper operation.
  • pre-position — to position in advance or beforehand: to preposition troops in anticipated trouble spots.
  • preadmission — (in a reciprocating engine) admission of steam or the like to the head of the cylinder near the end of the stroke, as to cushion the force of the stroke or to allow full pressure at the beginning of the return stroke.
  • precognition — knowledge of a future event or situation, especially through extrasensory means.
  • precondition — something that must come before or is necessary to a subsequent result; condition: a precondition for a promotion.
  • predilection — a tendency to think favorably of something in particular; partiality; preference: a predilection for Bach.
  • prefloration — the internal arrangement of a flower-bud's petals and sepals before it opens
  • prefoliation — the arrangement of leaves within a vegetative bud
  • preformation — previous formation.
  • pregustation — the act of tasting beforehand
  • prehistorian — an authority on or specialist in prehistory
  • preinduction — occurring before an induction
  • prelapsarian — Theology. occurring before the Fall: the prelapsarian innocence of Eden.
  • premigration — occurring before migration
  • premium loan — a loan made by a life-insurance company in order that a policyholder may pay the due premium, the cash value on the policy serving as security.
  • prerecession — of the period before a recession
  • presbyterian — pertaining to or based on the principle of ecclesiastical government by presbyters or presbyteries.
  • prescription — Medicine/Medical. a direction, usually written, by the physician to the pharmacist for the preparation and use of a medicine or remedy. the medicine prescribed: Take this prescription three times a day.
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