12-letter words containing t, a, c, o, n
- pedantocracy — rule by pedants; a system of government by pedants
- pediculation — the act or process of growing a stalk or pedicle
- pentacrinoid — a larval crinoid resembling members of the genus Pentacrinus
- pentadecagon — a polygon having 15 angles and 15 sides.
- perceptional — the act or faculty of perceiving, or apprehending by means of the senses or of the mind; cognition; understanding.
- percutaneous — administered, removed, or absorbed by way of the skin, as an injection, needle biopsy, or transdermal drug.
- perfectation — the action or process of becoming or causing to become perfect or complete
- pernoctation — the act of staying all night in a place, esp for prayer or as a vigil
- pertinacious — holding tenaciously to a purpose, course of action, or opinion; resolute.
- petrifaction — the act or process of petrifying; the state of being petrified.
- phenotypical — the observable constitution of an organism.
- 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
- phonotactics — the patterns in which the phonemes of a language may combine to form sequences.
- 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.
- photomachine — a machine that prints copies of digital photographs
- photonuclear — of, relating to, or caused by the collision of high-energy photons with the nucleus of an atom.
- phycoxanthin — a yellow pigment found in brown seaweeds and types of algae
- pinealectomy — a surgical operation to remove the pineal gland
- 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
- plainclothes — Plainclothes police officers wear ordinary clothes instead of a police uniform.
- plastocyanin — a blue protein found in green plants and in some bacteria
- platanaceous — relating to the family Platanaceae
- platonically — of, relating to, or characteristic of Plato or his doctrines: the Platonic philosophy of ideal forms.
- pneumatocyst — the cavity of a pneumatophore.
- poeticalness — the characteristic of being poetical
- point charge — an electric charge considered to exist at a single point, and thus having neither area nor volume.
- pointed arch — an arch having a pointed apex.
- polynucleate — having many nuclei.
- polysynaptic — having or involving more than one synapse.
- pontificates — the office or term of office of a pontiff.
- pontificator — the office or term of office of a pontiff.
- porcelainite — Mineralogy. mullite.
- porcellanite — hard and dense rock resembling unglazed porcelain
- 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.
- post captain — (formerly) a naval officer holding a commission as a captain, as distinct from an officer with the courtesy title of captain
- post-nuclear — pertaining to or involving atomic weapons: nuclear war.
- postaccident — occurring after an accident
- postcolonial — of or relating to the period following a state of colonialism.
- postcoronary — of, relating to, or occurring after a heart attack
- postromantic — of or relating to the period after Romanticism
- postsynaptic — being or occurring on the receiving end of a discharge across the synapse.
- postvaccinal — occurring after a vaccine
- potichomania — the art or process of printing or using paint to decorate the inside of a glass vessel
- practitioner — a person engaged in the practice of a profession, occupation, etc.: a medical practitioner.