13-letter words containing g, r, o, p
- metallography — the study of the structure of metals and alloys by means of microscopy.
- methoxy group — the univalent group CH 3 O−.
- microchipping — Present participle of microchip.
- micrographics — the technique of photographing written or printed pages in reduced form to produce microfilm or microfiche.
- microprograms — Plural form of microprogram.
- mimeographing — Present participle of mimeograph.
- modula-prolog — Adds a Prolog layer to Modula-2. "Modula-Prolog: A Software Development Tool", C. Muller IEEE Software pp.39-45 (Nov 1986).
- mongol empire — an empire founded in the 12th century by Genghis Khan, which reached its greatest territorial extent in the 13th century, encompassing the larger part of Asia and extending westward to the Dnieper River in eastern Europe.
- morning paper — a paper published the night before for distribution in the morning (as opposed to an evening paper)
- morphogenesis — the development of structural features of an organism or part.
- morphogenetic — the development of structural features of an organism or part.
- morphographer — a person who scientifically describes form
- morphological — the branch of biology dealing with the form and structure of organisms.
- mousetrapping — Present participle of mousetrap.
- myringoplasty — (surgery) The closure of the perforation of pars tensa of the tympanic membrane.
- mythographies — Plural form of mythography.
- name-dropping — the introduction into one's conversation, letters, etc., of the names of famous or important people as alleged friends or associates in order to impress others.
- nasopharynges — Plural form of nasopharynx.
- nephrological — of or relating to nephrology
- newgroup wars — /n[y]oo'groop worz/ [Usenet] The salvos of dueling "newgroup" and "rmgroup" messages sometimes exchanged by persons on opposite sides of a dispute over whether a newsgroup should be created net-wide, or (even more frequently) whether an obsolete one should be removed. These usually settle out within a week or two as it becomes clear whether the group has a natural constituency (usually, it doesn't). At times, especially in the completely anarchic alt hierarchy, the names of newsgroups themselves become a form of comment or humour; e.g. the spinoff of alt.swedish.chef.bork.bork.bork from alt.tv.muppets in early 1990, or any number of specialised abuse groups named after particularly notorious flamers, e.g. alt.weemba.
- nitroso group — the univalent group O=N–.
- nominal group — A nominal group is the same as a noun group.
- nonperceiving — Unperceiving.
- nonperforming — not performing well or properly.
- nonpracticing — not currently practicing one's profession, religion, etc.: a nonpracticing physician.
- nonpractising — of or relating to a person who no longer observes or pursues his or her religious faith
- nonprogrammer — a person who is not a programmer
- nosogeography — the study of the geographical causes and distribution of diseases.
- ocean springs — a town in SE Mississippi.
- oceanographer — the branch of physical geography dealing with the ocean.
- oceanographic — the branch of physical geography dealing with the ocean.
- open learning — a system of further education on a flexible part-time basis
- open marriage — a marriage in which the partners agree that each is free to have sexual relationships with other partners.
- open registry — ship registration under a national flag available to all ships regardless of nationality.
- opening hours — Opening hours are the times during which a shop, bank, library, or bar is open for business.
- opera glasses — small binoculars
- opisthography — the practice of writing on the front and back of a parchment or papyrus
- oppignoration — the act or an instance of pawning or pledging
- orchesography — a written study of dancing
- organotherapy — the branch of therapeutics that deals with the use of remedies prepared from the organs of animals, as from the thyroid gland, the pancreas, or the suprarenal bodies.
- organotropism — Physiology. the attraction of microorganisms or chemical substances to particular organs or tissues of the body.
- oropharyngeal — the part of the pharynx between the soft palate and the upper edge of the epiglottis.
- orthographies — Plural form of orthography.
- orthographize — to spell correctly or according to the rules of orthography.
- oscillographs — Plural form of oscillograph.
- oscillography — a device for recording the wave-forms of changing currents, voltages, or any other quantity that can be translated into electric energy, as sound waves.
- ostreophagous — oyster-eating
- outperforming — Present participle of outperform.
- outprocessing — to end a military tour of duty, accompanied by necessary paperwork: All enlisted soldiers out-process as a class.
- over-cropping — Agriculture. to crop (land) to excess; exhaust the fertility of by continuous cropping.