13-letter words containing c, h, a, o
- pharyngoscope — an instrument for inspecting the pharynx.
- pharyngoscopy — an examination by means of a pharyngoscope.
- phase encoded — (storage) (PE) A recording method used for 1600 BPI magnetic tapes. Compare NRZI, GCR.
- phelloplastic — an image or a representation that has been fashioned from cork
- philanthropic — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- philosophical — of or relating to philosophy: philosophical studies.
- phlebographic — relating to phlebography or the X-ray imaging of a vein that has been injected with a dye that is visible on the image taken
- phlogisticate — to integrate or blend phlogiston with
- phone hacking — an act or instance of gaining access to a phone's voicemail, email, text messages, etc., without authorization from the phone's owner.
- phonocamptics — the branch of acoustics dealing with echoes
- photoacoustic — optoacoustic
- photoallergic — photosensitive.
- photochemical — the branch of chemistry that deals with the chemical action of light.
- photocopiable — able or legally permitted to be photocopied
- photodynamics — the science dealing with light and its effects on living organisms.
- photoreaction — a chemical reaction that involves or requires 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
- phyllocladous — having phylloclades.
- physharmonica — a keyboard musical instrument fitted with free reeds, and which is an early form of harmonium
- physiographic — the science of physical geography.
- physiological — of or relating to physiology.
- phytochemical — Also called phytonutrient. any of various bioactive chemical compounds found in plants, as antioxidants, considered to be beneficial to human health.
- piano teacher — tutor of piano-playing
- 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.
- 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
- 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
- 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.
- port harcourt — a seaport in S Nigeria.
- 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.
- presto chango — change at once (usually used imperatively, as in a magician's command).
- promonarchist — the principles of monarchy.
- prophetically — of or relating to a prophet: prophetic inspiration.
- protest march — public demonstration
- protochordate — any of the nonvertebrate chordates, as the tunicates, cephalochordates, and hemichordates.
- psilanthropic — relating to psilanthropism
- psychoanalyse — to investigate or treat by psychoanalysis.
- psychoanalyst — a person trained to practice psychoanalysis.
- psychoanalyze — to investigate or treat by psychoanalysis.
- psychobabbler — a person who uses psychobabble
- psychodynamic — Psychology. any clinical approach to personality, as Freud's, that sees personality as the result of a dynamic interplay of conscious and unconscious factors.