17-letter words containing r, o, t, g
- organic chemistry — the branch of chemistry, originally limited to substances found only in living organisms, dealing with the compounds of carbon.
- organized ferment — ferment (def 1).
- organized militia — a former military organization functioning under both state and federal authority.
- orthogonal matrix — a matrix that is the inverse of its transpose so that any two rows or any two columns are orthogonal vectors
- orthogonalization — (mathematics) The process of converting a set of functions or vectors into orthogonal ones.
- osculating circle — circle of curvature.
- otolaryngological — Pertaining to otolaryngology.
- otolaryngologists — Plural form of otolaryngologist.
- outline agreement — a contract, etc, setting out the preliminary terms or guidelines for an agreement; a preliminary agreement
- overhead lighting — lighting which throws light downwards by being situated on the ceiling or having a downward shade, etc
- overnight success — sth or sb suddenly popular
- pacific tree frog — a common terrestrial frog, Hyla regilla, of western North America, having a dark stripe along each side of the head.
- paleoanthropology — the study of the origins and predecessors of the present human species, using fossils and other remains.
- parathyroid gland — any of several small oval glands usually lying near or embedded in the thyroid gland.
- passenger station — a station used by passengers
- pastoral theology — the branch of theology dealing with the responsibilities of members of the clergy to the people under their care.
- pate de foie gras — See under foie gras.
- pathological liar — a person who tells lies frequently, with no rational motive for doing so.
- perforation gauge — a marked ruler used to measure the number of perforations per unit length along the borders of a stamp.
- permutation group — a mathematical group whose elements are permutations and in which the product of two permutations is the same permutation as is obtained by performing them in succession.
- persona non grata — a person who is not welcome: He has become persona non grata in our club since his angry outburst.
- petit bourgeoisie — The petit bourgeoisie are people in the lower middle class.
- petite bourgeoise — a woman who belongs to the petite bourgeoisie.
- petty bourgeoisie — the section of the middle class with the lowest social status, generally composed of shopkeepers, lower clerical staff, etc
- phantom pregnancy — the occurrence of signs of pregnancy, such as enlarged abdomen and absence of menstruation, when no embryo is present, due to hormonal imbalance
- photofluorography — photography of images produced by a fluoroscopic examination, used in x-ray examination of the lungs of large groups of people.
- pioneering spirit — a willingness to endure hardship in order to explore new places or try out new things
- pitching rotation — the regular, scheduled succession of starting pitchers designated by a manager: a four-man pitching rotation in September.
- pointer swizzling — swizzle
- polarizing filter — a camera lens filter used to control the plane of polarization of light entering the lens.
- political refugee — a person who has fled from a homeland because of political persecution.
- popular etymology — folk etymology.
- portfolio manager — a person employed by others to make investments for them
- portuguese guinea — former name of Guinea-Bissau.
- postural drainage — a therapy for clearing congested lungs by placing the patient in a position for drainage by gravity, often accompanied by percussion with hollowed hands.
- powder metallurgy — the art or science of manufacturing useful articles by compacting metal and other powders in a die, followed by sintering.
- pre-configuration — the relative disposition or arrangement of the parts or elements of a thing.
- pre-investigation — the act or process of investigating or the condition of being investigated.
- pre-technological — of or relating to technology; relating to science and industry.
- precision casting — investment casting.
- predatory pricing — If a company practises predatory pricing, it charges a much lower price for its products or services than its competitors in order to force them out of the market.
- prerogative court — a former ecclesiastical court in England and Ireland for the trial of certain testamentary cases.
- prescription drug — medication available only on doctor's instruction
- production string — A production string is the series of pipes through which the oil or gas is brought up from the reservoir.
- program generator — a computer program that can be used to help to create other computer programs
- program statement — a single instruction in a computer program
- progressive party — a political party formed in 1912 under the leadership of Theodore Roosevelt, advocating popular control of government, direct primaries, the initiative, the referendum, woman suffrage, etc.
- prosperity gospel — a modern version or, according to some, perversion of the gospel according to which the full blessings of God available to those who approach Him in faith and obedience include wealth, health and power
- prothoracic gland — either of a pair of endocrine glands in the anterior thorax of some insects, functioning to promote the series of molts from hatching to adulthood.
- pterygoid process — either of two long bony plates extending downwards from each side of the sphenoid bone within the skull