18-letter words containing p, a, y, t
- disability pension — a pension paid to people who are unable to continue to work because of a disability
- display postscript — An extended form of PostScript permitting its interactive use with bitmap displays.
- disproportionality — not in proportion; disproportionate.
- disproportionately — not proportionate; out of proportion, as in size or number.
- doctype decoration — (humour) When a web author adds a doctype declaration but doesn't bother to write valid HTML.
- east india company — the company chartered by the English government in 1600 to carry on trade in the East Indies: dissolved in 1874.
- electrophotography — Any of several methods of photocopying in which an image is created and then transferred between surfaces using static electricity.
- ethnopsychological — Relating to ethnopsychology.
- european community — an economic and political association of European States that came into being in 1967, when the legislative and executive bodies of the European Economic Community merged with those of the European Coal and Steel Community and the European Atomic Energy Community: subsumed into the European Union in 1993
- family-size packet — a packet large enough to be suitable for a family
- farmer-labor party — a political party in Minnesota, founded in 1920 and merged with the Democratic Party in 1944.
- flat-panel display — a type of thin, lightweight video display that uses liquid crystals or electroluminescence to reflect images.
- free-range poultry — poultry kept in natural nonintensive conditions
- gainful employment — an occupation that pays an income
- gas chromatography — a chromatograph used for the separation of volatile substances.
- gensym corporation — (company) A company that supplies software and services for intelligent operations management. Common applications include quality management, process optimisation, dynamic scheduling, network management, energy and environmental management, and process modelling and simulation. Their products include G2.
- gestalt psychology — (sometimes lowercase) the theory or doctrine that physiological or psychological phenomena do not occur through the summation of individual elements, as reflexes or sensations, but through gestalts functioning separately or interrelatedly.
- grand penitentiary — See under penitentiary (def 3).
- gravity escapement — an escapement, used especially in large outdoor clocks, in which the impulse is given to the pendulum by means of a weight falling through a certain distance.
- hepatosplenomegaly — Enlargement of both the liver and spleen.
- hexaphosphorylated — (biochemistry) phosphorylated with six units of phosphoric acid.
- hilary of poitiers — Saint, a.d. c300–368, French bishop and theologian.
- histocompatibility — the condition of having antigenic similarities such that cells or tissues transplanted from one (the donor) to another (the recipient) are not rejected.
- hydroxynaphthalene — naphthol.
- hydroxytryptamines — Plural form of hydroxytryptamine.
- hyper-intellectual — appealing to or engaging the intellect: intellectual pursuits.
- hyper-metaphorical — a figure of speech in which a term or phrase is applied to something to which it is not literally applicable in order to suggest a resemblance, as in “A mighty fortress is our God.”. Compare mixed metaphor, simile (def 1).
- hyperaldosteronism — aldosteronism.
- hypercholesteremia — Alternative spelling of hypercholesteraemia.
- hyperconcentration — the act of concentrating; the state of being concentrated.
- hypernationalistic — a person devoted to nationalism.
- hyperphosphorylate — To phosphorylate fully.
- hyperproliferation — (biology) An abnormally high rate of proliferation of cells by rapid division.
- hypersensitization — Photography. to treat (a film or emulsion) so as to increase its speed.
- hypersexualisation — Alternative spelling of hypersexualization.
- hypersexualization — The act or process of hypersexualizing.
- hypogastric artery — iliac artery (def 3).
- hypoparathyroidism — Diminished concentration of parathyroid hormone in the blood, which causes deficiencies of calcium and phosphorus compounds in the blood and results in muscular spasms.
- hypophosphorylated — (biochemistry) phosphorylated to a less than normal extent, or less than fully.
- imaginary operator — An imaginary operator is the part of a complex number that defines the magnitude of the part of the complex number at right angles to the real number part.
- in all probability — the quality or fact of being probable.
- in company with sb — If you feel, believe, or know something in company with someone else, you both feel, believe, or know it.
- incapacity benefit — (in Britain) a regular government payment made to people who are unable to work for an extended period through disability
- interdependability — capable of being depended on; worthy of trust; reliable: a dependable employee.
- investment company — a company that invests its funds in other companies and issues its own securities against these investments.
- knights of pythias — a fraternal order founded in Washington, D.C., in 1864.
- lone-parent family — a family in which there is only one parent
- long-stay car park — a car park (eg at an airport) where cars can be left for a long time
- management company — a company that manages a unit trust
- many happy returns — When it is someone's birthday, people sometimes say 'Many happy returns' to them as a way of greeting them.