15-letter words containing o, r, c, a, g, n
- terra incognita — an unknown or unexplored land, region, or subject.
- the wrong track — the incorrect line of investigation, inquiry, etc
- thraco-phrygian — a hypothetical branch of Indo-European implying a special genetic affinity between the meagerly attested Thracian and Phrygian languages.
- toucan crossing — a place where people who are walking and cyclists can both cross a busy road together. They press a button at the side of the road, which operates traffic lights to stop the traffic
- traction engine — a locomotive operating on surfaces other than tracks and pulling heavy loads, as fallen logs.
- trading account — an account similar to a traditional bank account, holding cash and securities, and administered by an investment dealer
- trading company — a company that is owned by the people who have bought shares in that company
- training course — practical programme of study
- training school — a school that provides training in some art, profession, or vocation.
- traveling block — (in a hoisting tackle) the block hooked to and moving with the load.
- uncategorizable — not able to be categorized or placed into a category
- unchoreographed — not choreographed; not pre-arranged or pre-prepared; unplanned
- unchronological — arranged in the order of time: a chronological list of events.
- uncopyrightable — not able to be copyrighted
- urban sociology — the sociological study of cities and their role in the development of society.
- virginian stock — a similar and related North American plant, Malcolmia maritima
- vulgar fraction — common fraction.
- working capital — the amount of capital needed to carry on a business.