15-letter words containing d, i, p, r, o, t
- stamping ground — a habitual or favorite haunt.
- stilpnosiderite — a resinous variety of limonite with a black-brown colour
- stomping ground — a habitual or favorite haunt.
- studio portrait — a photograph of a person taken in a studio
- styloid process — a long, spinelike process of a bone, especially the projection from the base of the temporal bone.
- superordination — Logic. the relation between a universal proposition and a particular proposition of the same quality containing the same terms in the same order.
- the perigordian — the Perigordian culture
- thermoperiodism — the effect on an organism of rhythmic fluctuations in temperature.
- threshold price — the highest price a retailer is allowed to sell a particular good at
- total depravity — the Calvinist doctrine that humankind's entire nature, including its reason, is corrupt or sinful as a result of the Fall and that people are therefore completely dependent on God for regeneration.
- trading company — a company that is owned by the people who have bought shares in that company
- trading profits — profits made from the buying and selling of goods and services
- trapdoor spider — any of various, often large, spiders (esp. family Ctenizidae) that dig a burrow and cover the entrance with a hinged lid like a trapdoor
- underpopulation — having a population lower than is normal or desirable.
- underproduction — production that is less than normal or than is required by the demand.
- upward mobility — movement from one social level to a higher one (upward mobility) or a lower one (downward mobility) as by changing jobs or marrying.
- windfall profit — a profit that arises thanks to an external event over which the person profiting had no control
- wood turpentine — turpentine obtained from pine trees.
- write-protected — (of a computer disk) having been protected from accidental writing or erasure