19-letter words containing ence
- post-and-rail fence — a fence constructed of upright wooden posts with horizontal timber slotted through it
- pugwash conferences — international peace conferences of scientists held regularly to discuss world problems: Nobel peace prize 1995 awarded to Joseph Rotblat (1908–2005) , one of the founders of the conferences, secretary-general (1957–73), and president (1988–97)
- recurrence relation — (mathematics) An equation that defines each element of a sequence in terms of one or more earlier elements. E.g. The Fibonacci sequence, X[1] = 1 X[2] = 1 X[n] = X[n-1] + X[n-2] Some recurrence relations can be converted to "closed form" where X[n] is defined purely in terms of n, without reference to earlier elements.
- reference electrode — an electrode of known oxidation potential used in determining the electromotive force of a galvanic cell.
- residence insurance — Residence insurance is insurance coverage against damage to a building in which you live.
- sentence substitute — a word or phrase, esp one traditionally classified as an adverb, that is used in place of a finite sentence, such as yes, no, certainly, and never
- social intelligence — the ability to form rewarding relationships with other people
- sphere of influence — any area in which one nation wields dominant power over another or others.
- st. lawrence seaway — a series of channels, locks, and canals between Montreal and the mouth of Lake Ontario, a distance of 182 miles (293 km), enabling most deep-draft vessels to travel from the Atlantic Ocean, up the St. Lawrence River, to all the Great Lakes ports: developed jointly by the U.S. and Canada.
- subsistence economy — an economy which produces only enough output for its own consumption and does not attempt to accumulate wealth
- subsistence farming — farming whose products are intended to provide for the basic needs of the farmer, with little surplus for marketing.
- to sit on the fence — If you sit on the fence, you avoid supporting a particular side in a discussion or argument.
- transference number — that fraction of the total electric current that anions and cations carry in passing through an electrolytic solution.
- under the influence — the capacity or power of persons or things to be a compelling force on or produce effects on the actions, behavior, opinions, etc., of others: He used family influence to get the contract.
- virginia-rail-fence — snake fence.
- war of independence — American Revolution.