15-letter words containing a, n, g, i, o, t
- numismatologist — One versed in numismatology.
- obsidian dating — a method of dating obsidian artifacts or debitage by calculating how long it has taken to produce a given thickness of a hydration layer within such matter.
- obtuse triangle — a triangle with one obtuse angle.
- oligomerisation — Alternative spelling of oligomerization.
- oligomerization — (chemistry) The formation of an oligomer from a monomer.
- omnium gatherum — a miscellaneous collection.
- omnium-gatherum — a miscellaneous collection.
- on a shoestring — If you do something or make something on a shoestring, you do it using very little money.
- one-night stand — a single performance in one locale, as by a touring theatrical company, before moving on to the next engagement.
- opencast mining — mining by excavating from the surface
- opening batsman — a player who bats the first ball in cricket
- operating cycle — the period of time between starting a business and making a profit
- operating table — table on which surgery is performed
- opisthognathous — having receding jaws.
- optical pumping — a method for increasing the number of atoms or molecules occupying higher energy levels by irradiating them with light of the proper frequencies to raise them to those levels.
- optical tooling — the technique of establishing precise reference lines and planes by means of telescopic sights, especially for the purpose of aligning machinery, machine-shop work, etc.
- ordinary rating — a rank in the Royal Navy comparable to that of a private in the army
- origination fee — a fee charged by a lender for evaluating and processing a loan application, usually a percentage of the face value of the loan.
- otaheite orange — a small citrus bush, Citrus limonia otaitensis, having fragrant flowers and small orange fruit, often cultivated as a houseplant.
- out of training — become unfit
- outline drawing — a drawing consisting only of external lines
- outstandingness — prominent; conspicuous; striking: an outstanding example of courage.
- outward-looking — looking beyond oneself; open-minded and reaching out to other people, organizations, etc
- over-irrigation — the artificial application of water to land to assist in the production of crops.
- over-regulation — a law, rule, or other order prescribed by authority, especially to regulate conduct.
- overdramatizing — Present participle of overdramatize.
- overimaginative — imaginative to a fault
- oxidizing agent — a substance that oxidizes another substance, being itself reduced in the process. Common oxidizing agents are oxygen, hydrogen peroxide, and ferric salts
- palaeomagnetism — the study of the fossil magnetism in rocks, used to determine the past configurations of the continents and to investigate the past shape and magnitude of the earth's magnetic field
- palaeomagnetist — a student of or expert in palaeomagnetism
- panoramic sight — an artillery sight that can be rotated horizontally in a full circle.
- pantopragmatics — universal intervention in the affairs of others
- parthenogenesis — development of an egg without fertilization.
- parthenogenetic — development of an egg without fertilization.
- patagonian hare — a burrowing, gray, long-eared and long-legged cavy of the genus Dolichotis, native to South America.
- pattern bombing — aerial bombing in which bombs are dropped on a target in a predetermined pattern.
- perforating gun — A perforating gun is a device used to make holes in oil and gas wells in preparation for production.
- performing arts — dance, drama, music
- phonautographic — relating to a phonautograph or a piece of equipment that records sound visually by detecting the sound waves and indicating them on a graph
- phytopathogenic — of, possessing the properties of, or relating to a phytopathogen
- pinochet ugarte — Augusto [ou-goos-taw] /aʊˈgus tɔ/ (Show IPA), 1915–2006, Chilean army general and political leader: president 1973–90.
- pistachio green — a light or medium shade of yellow green.
- plantaginaceous — relating to or belonging to the family Plantaginaceae
- plastic surgeon — doctor who performs cosmetic surgery
- polling station — voting venue
- port washington — a town on NW Long Island, in SE New York.
- portative organ — capable of being carried; portable.
- poultry farming — breeding and keeping fowl
- pre-negotiation — mutual discussion and arrangement of the terms of a transaction or agreement: the negotiation of a treaty.
- preregistration — early registration, in advance of event or general registration