20-letter words containing o, p, e, n, f, i
- permonosulfuric acid — persulfuric acid (def 1).
- pest control officer — a person who gets rid of pests such as rats and mice
- piezomagnetic effect — the production of a magnetic field by applying a mechanical stress to certain crystals
- pleased with oneself — If someone seems very satisfied with something they have done, you can say that they are pleased with themselves, especially if you think they are more satisfied than they should be.
- pledge of allegiance — a solemn oath of allegiance or fidelity to the U.S., beginning, “I pledge allegiance to the flag,” and forming part of many flag-saluting ceremonies in the U.S.
- portfolio employment — the practice of working for several employers simultaneously rather than working full-time for a single employer
- potential difference — voltage
- power of appointment — the authority granted by a donor to a donee to select the person or persons who are to enjoy property rights or income upon the death of the donor or of the donee or after the termination of existing rights or interests.
- pride of the morning — light mist or precipitation observed at sea in the morning and regarded as indicating a fine day.
- proof of the pudding — the true value or quality of something, as seen when it is experienced, tried, or put to use: The proof of the pudding for a business is what customers say about it.
- put one's foot in it — (in vertebrates) the terminal part of the leg, below the ankle joint, on which the body stands and moves.
- queen of the prairie — a tall plant, Filipendula rubra, of the rose family, having branching clusters of pink flowers, growing in meadows and prairies.
- rapid reaction force — a force that can be deployed swiftly to a site of conflict or potential conflict
- reflecting telescope — an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens set into one end of a tube and an adjustable eyepiece or combination of lenses set into the other end of a tube that slides into the first and through which the enlarged object is viewed directly; the other form (reflecting telescope) has a concave mirror that gathers light from the object and focuses it into an adjustable eyepiece or combination of lenses through which the reflection of the object is enlarged and viewed. Compare radio telescope.
- refracting telescope — an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens set into one end of a tube and an adjustable eyepiece or combination of lenses set into the other end of a tube that slides into the first and through which the enlarged object is viewed directly; the other form (reflecting telescope) has a concave mirror that gathers light from the object and focuses it into an adjustable eyepiece or combination of lenses through which the reflection of the object is enlarged and viewed. Compare radio telescope.
- refuse disposal unit — a unit or part of a sink that disposes of waste food, etc, by grinding
- separation of powers — the principle or system of vesting in separate branches the executive, legislative, and judicial powers of a government.
- sing for your supper — If someone has to sing for their supper, they have to do a job before they are allowed to do something they want to do.
- soft gelatin capsule — A soft gelatin capsule is a type of capsule that is usually used to contain medicine in the form of liquid or powder, and which dissolves more quickly than a hard gelatin capsule.
- span of apprehension — the maximum number of objects that can be correctly assessed after a brief presentation
- specific conductance — conductivity (def 2).
- specific performance — (especially in the sale of land) literal compliance with one's contractual promises pursuant to a judicial mandate.
- specific-conductance — conductivity (def 2).
- spirit of enterprise — the motivation to set up and succeed in business or commerce
- square of opposition — a diagrammatic representation of the opposition of categorical propositions.
- the legal profession — the profession of law
- the price of someone — what someone deserves, esp a fitting punishment
- toxemia of pregnancy — an abnormal condition of pregnancy characterized by hypertension, fluid retention, edema, and the presence of protein in the urine.
- unemployment benefit — an allowance of money paid, usually weekly, to an unemployed worker by a state or federal agency or by the worker's labor union or former employer during all or part of the period of unemployment.
- unemployment figures — statistics relating to the number of people who are out of work
- uniform crime report — an annual report issued by the FBI that presents data on selected categories of crimes reported to the police. Abbreviation: UCR.
- university professor — a professor entitled to teach courses in more than one field or discipline at a university.