12-letter words containing u, n, p, o
- photocurrent — an electric current produced by a photoelectric effect.
- photoinduced — induced by light.
- photoneutron — a neutron emitted from a nucleus during photodisintegration.
- photonuclear — of, relating to, or caused by the collision of high-energy photons with the nucleus of an atom.
- 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.
- picturephone — a type of telephone where users can see each other as they talk, through the transmission of video images
- pilot burner — pilot light (def 1).
- pinturicchio — real name Bernardino di Betto. ?1454–1513, Italian painter of the Umbrian school
- pipe routing — Pipe routing is the planning of pipeline layout, which includes considerations of neatness, economy, and safety.
- platanaceous — relating to the family Platanaceae
- pleurogenous — Anatomy. pertaining to or originating from the pleura.
- plumbaginous — containing graphite.
- pneumatocyst — the cavity of a pneumatophore.
- pneumatology — Theology. doctrine concerning the Holy Spirit. the belief in intermediary spirits between humans and God.
- pneumococcal — a bacterium, Diplococcus pneumoniae, causing lobar pneumonia and associated with certain other diseases, as pericarditis and meningitis.
- pneumococcus — a bacterium, Diplococcus pneumoniae, causing lobar pneumonia and associated with certain other diseases, as pericarditis and meningitis.
- pneumocystis — any protozoan of the genus Pneumocystis, esp P. carinii, which is a cause of pneumonia in people whose immune defences have been lowered by drugs or a disease
- pneumography — the process of recording the movements of the thorax in respiration.
- pneumonology — the study of the respiratory system
- pneumothorax — the presence of air or gas in the pleural cavity.
- pneumotropic — directed toward or having an affinity for lung tissue.
- point source — a source of radiation sufficiently distant compared to its length and width that it can be considered as a point.
- poison sumac — a shrub or small tree, Rhus vernix (or Toxicodendron vernix), of swampy areas of the eastern U.S., having pinnate leaves and causing severe dermatitis when touched by persons sensitive to it.
- pollen brush — the mass of stiff hairs on the legs or abdomen of an insect, for collecting pollen.
- pollen count — a count of the amount of pollen in the air, based on the average of the number of pollen grains that collect on slides exposed to the air for a given period of time.
- pollutedness — the state of being polluted
- polybutylene — any of several polymers of butylene, used chiefly in the manufacture of lubricants and synthetic rubber.
- polyneuritis — inflammation of several nerves at the same time; multiple neuritis.
- polynucleate — having many nuclei.
- polyurethane — a thermoplastic polymer containing the group NHCOO: used for padding and insulation in furniture, clothing, and packaging, and in the manufacture of resins for adhesives, elastomers, and fillers.
- ponce around — If you say that someone is poncing around or poncing about, you mean that they are not doing something properly, quickly, or seriously.
- popping plug — a fishing lure that makes a popping sound when pulled along the surface of the water
- popular song — a song that is written to have an immediate and wide appeal and is usually popular for only a short time, but that sometimes is of a sufficiently high quality to become part of the permanent repertoire of popular music and jazz. Compare standard (def 12).
- populational — the total number of persons inhabiting a country, city, or any district or area.
- porcelainous — made of or resembling porcelain
- porcelaneous — a strong, vitreous, translucent ceramic material, biscuit-fired at a low temperature, the glaze then fired at a very high temperature.
- port hueneme — a city in S California.
- port running — an evasive action at a port of entry in which a person drives through a vehicle-stopping point.
- portentously — of the nature of a portent; momentous.
- posing pouch — a thong that emphasizes the genitals
- post-nuclear — pertaining to or involving atomic weapons: nuclear war.
- postal union — an international agreement on postal rates and services.
- postconquest — of, relating to, or characteristic of a period of time after a conquest, esp with regard to the period after the Norman Conquest
- postconsumer — noting or pertaining to a product after it has been used and recycled: a chair made of postconsumer plastic.
- postdiluvian — existing or occurring after the Biblical Flood.
- postliminium — postliminy.
- postliminous — occurring after; subsequent
- powerfulness — having or exerting great power or force.
- pratincolous — living in a meadow.
- pre-conclude — to bring to an end; finish; terminate: to conclude a speech with a quotation from the Bible.