13-letter words containing c, h, o, p
- photodynamics — the science dealing with light and its effects on living organisms.
- photoelectric — pertaining to the electronic or other electric effects produced by light.
- photoelectron — an electron emitted from a system by the photoelectric effect.
- photogeologic — of or relating to photogeology
- photoreaction — a chemical reaction that involves or requires light.
- photoreceptor — a receptor stimulated by light.
- photorecorder — a device for making photographic records.
- phototoxicity — damage, esp to the skin, as a result of exposure to light
- photovoltaics — (used with a singular verb) a field of semiconductor technology involving the direct conversion of electromagnetic radiation as sunlight, into electricity.
- phreatophytic — of, possessing the properties of, or relating to a phreatophyte
- phycoerythrin — a red protein pigment occurring in red algae.
- phyllocladous — having phylloclades.
- phyllogenetic — of or relating to the development of leaves.
- physharmonica — a keyboard musical instrument fitted with free reeds, and which is an early form of harmonium
- physics model — a variety of software illustrating the movement of objects in reality, used by designers of video games to improve verisimilitude
- physiographic — the science of physical geography.
- physiological — of or relating to physiology.
- physoclistous — having the air bladder closed off from the mouth.
- phytochemical — Also called phytonutrient. any of various bioactive chemical compounds found in plants, as antioxidants, considered to be beneficial to human health.
- phytocoenosis — the plants of a given area considered as a whole.
- phytotoxicity — the state of being phytotoxic
- piano teacher — tutor of piano-playing
- pick holes in — an opening through something; gap; aperture: a hole in the roof; a hole in my sock.
- picture phone — a mobile phone that can take, send, and receive photographs
- piece of shit — despicable person
- pitching tool — a masonry chisel for rough work
- plagiocephaly — a deformity of the skull in which one side is more developed in the front, and the other side is more developed in the rear.
- plain-clothes — Plain-clothes police officers wear ordinary clothes instead of a police uniform.
- plymouth rock — a rock at Plymouth, Massachusetts, on which the Pilgrims who sailed on the Mayflower are said to have stepped ashore when they landed in America in 1620.
- pocket chisel — any woodworking chisel having a blade of medium length.
- pocket gopher — any of numerous burrowing rodents of the family Geomyidae, of western and southern North America and Central America, having large, external, fur-lined cheek pouches.
- poison sumach — an anacardiaceous swamp shrub, Rhus (or Toxicodendron) vernix of the southeastern US, that has greenish-white berries and causes an itching rash on contact with the skin
- poker machine — a fruit machine
- polished rice — white rice polished or buffed by leather-covered cylinders during processing.
- polychotomous — divided into multiple parts
- polychromatic — having or exhibiting a variety of colors.
- polycythaemia — an abnormal condition of the blood characterized by an increase in the number of red blood cells. It can occur as a primary disease of unknown cause (polycythaemia vera or erythraemia) or in association with respiratory or circulatory diseases
- polysynthetic — (of a language) characterized by a prevalence of relatively long words containing a large number of affixes to express syntactic relationships and meanings. Many American Indian languages are polysynthetic. Compare analytic (def 3), synthetic (def 3).
- polytechnical — relating to a technical school
- pomme blanche — breadroot.
- pompano beach — a city in SE Florida.
- pontchartrain — Lake, a shallow extension of the Gulf of Mexico in SE Louisiana, N of New Orleans. 41 miles (66 km) long; 25 miles (40 km) wide.
- porcupinefish — any of several fishes of the family Diodontidae, especially Diodon hystrix, of tropical seas, capable of inflating the body with water or air until it resembles a globe, with erection of the long spines covering the skin.
- port harcourt — a seaport in S Nigeria.
- porte-cochere — a covered carriage entrance leading into a courtyard.
- post exchange — a retail store on an army installation that sells goods and services to military personnel and their dependents and to certain authorized civilian personnel. Abbreviation: PX.
- postholocaust — following a holocaust
- powder charge — propellant (def 2).
- prague school — a school of linguistics emphasizing structure, active in the 1920s and 1930s.
- preceptorship — an instructor; teacher; tutor.