23-letter words containing n, a, c, h, o, g
- occupational psychology — the study of human behaviour at work, including ergonomics, selection procedures, and the effects of stress
- orthographic projection — a two-dimensional graphic representation of an object in which the projecting lines are at right angles to the plane of the projection. Also called orthogonal projection. Compare isometric (def 5).
- overnight accommodation — accommodation provided by an establishment (such as a hotel) where guests can sleep or spend the night
- pentagonal dodecahedron — pyritohedron.
- photoelectric magnitude — the magnitude of a star determined using a photometer plus a filter to select light or other radiation of the desired wavelength
- physiological phonetics — the branch of phonetics that deals with the motive processes, anatomical measurements, spirometric properties, muscle and membrane tone, and kinetic aspects of the production of speech and with related aspects of the reception of speech.
- precipitation hardening — a process in which alloys are strengthened by the formation, in their lattice, of a fine dispersion of one component when the metal is quenched from a high temperature and aged at an intermediate temperature
- put through one's paces — a rate of movement, especially in stepping, walking, etc.: to walk at a brisk pace of five miles an hour.
- school (crossing) guard — a person, either an adult or an older student, whose duty it is to help children cross streets near schools safely
- structural anthropology — a school of anthropology founded by Claude Lévi-Strauss and based loosely on the principles of structural linguistics.
- take sthing on the chin — If you say that someone took something on the chin, you mean that they accepted an unpleasant or difficult situation bravely and without making a lot of fuss about it.
- the library of congress — the official library of the United States in Washington, DC. It houses extensive collections in all subject areas and formats, important historical documents, and is also a depository for copyrighted materials.
- the teaching profession — the profession of a teacher
- thompson submachine gun — a portable, .45-caliber, automatic weapon designed to be fired from the shoulder or hip.
- to change for the worse — If a situation changes for the worse, it becomes more unpleasant or more difficult.
- trigonal trisoctahedron — a trisoctahedron whose faces are triangles.
- unconditional discharge — the release of a defendant without having to spend time on parole or probation
- you can't go home again — a novel (1940) by Thomas Wolfe.