15-letter words containing a, p, g, e
- opening balance — the amount of money in an account at the start of an accounting period
- opening batsman — a player who bats the first ball in cricket
- operating cycle — the period of time between starting a business and making a profit
- operating table — table on which surgery is performed
- ophthalmoplegia — Paralysis of the muscles within or surrounding the eye.
- optical storage — optical disk drive
- organophosphate — Biochemistry. any of a variety of organic compounds that contain phosphorus and often have intense neurotoxic activity: originally developed as nerve gases, now widely used as insecticides and fire retardants.
- overemphasizing — Present participle of overemphasize.
- overprogramming — the act or instance of programming unnecessary details
- pachymeningitis — inflammation of the dura mater of the brain and spinal cord
- pack one's bags — If you pack your bags, you leave a place where you have been staying or living.
- package holiday — a holiday arranged by a travel company in which your travel and accommodation are booked for you
- packing density — a measure of the amount of data that can be held by unit length of a storage medium, such as magnetic tape
- paedophile ring — a group of people who take part in illegal sexual activity involving children
- paget's disease — Pathology. a chronic disease characterized by episodic accelerated bone resorption and growth of abnormal replacement bone, causing bone pain, deformation, fractures, and osteosarcoma; osteitis deformans.
- painted bunting — a brilliantly colored bunting, Passerina ciris, of the southern U.S.
- palaeogeography — the study of geographical features of the geological past
- palaeolimnology — the study of ancient lake ecologies
- palaeomagnetism — the study of the fossil magnetism in rocks, used to determine the past configurations of the continents and to investigate the past shape and magnitude of the earth's magnetic field
- palaeomagnetist — a student of or expert in palaeomagnetism
- palaeontography — the branch of palaeontology concerned with the description of fossils
- palaeopathology — the study of diseases of ancient man and fossil animals
- palaeophytology — the study of ancient botany
- paleogeophysics — (used with a plural verb) inferred geophysical conditions or processes of designated periods of the geologic past.
- paphian goddess — Aphrodite, worshiped in Cyprus as the goddess of sexual love.
- parent language — an earlier language from which another is derived.
- parish magazine — a magazine containing news and articles of interest to the people of a particular parish church or the local area
- parish register — the register of the christenings, marriages, and burials in a parish.
- parking offence — the act of leaving your car somewhere illegally
- paroemiographer — a person who writes or collects proverbs
- parthenogenesis — development of an egg without fertilization.
- parthenogenetic — development of an egg without fertilization.
- passenger coach — a carriage in which passengers sit
- passenger ferry — a ferry that carries passengers
- passenger train — railway train that carries people
- passive smoking — the inhaling of cigarette, cigar, and pipe smoke of others, especially by a nonsmoker in an enclosed area.
- patagonian hare — a burrowing, gray, long-eared and long-legged cavy of the genus Dolichotis, native to South America.
- patent engineer — a person who draws up applications for patents
- pattern bombing — aerial bombing in which bombs are dropped on a target in a predetermined pattern.
- peachblow glass — an American art glass made in various pale colors and sometimes having an underlayer of milk glass.
- pectoral girdle — (in vertebrates) a bony or cartilaginous arch supporting the forelimbs.
- pedagoguishness — the quality of being pedagoguish
- pelargonic acid — a colorless, oily, water-immiscible liquid, C 9 H 1 8 O 2 , occurring as an ester in a volatile oil in species of pelargonium: used chiefly in organic synthesis and in the manufacture of lacquers and plastics.
- pematangsiantar — a city on NE Sumatra, in Indonesia.
- perforating gun — A perforating gun is a device used to make holes in oil and gas wells in preparation for production.
- performing arts — dance, drama, music
- pergamentaceous — (esp of plants) resembling parchment, whether in texture or composition
- personal growth — development as an individual
- peter the great — ("the Great") 1672–1725, czar of Russia 1682–1725.
- phase-switching — a technique used in radio interferometry in which the signal from one of the two antennae is periodically reversed in phase before being multiplied by the signal from the other antenna