22-letter words containing c, l, e, a, v
- reproductive isolation — the conditions, as physiological or behavioral differences or geographical barriers, that prevent potentially interbreeding populations from cross-fertilization.
- revolutionary calendar — the calendar of the French First Republic, adopted in 1793 and abandoned in 1805, consisting of 12 months, each of 30 days, and 5 intercalary days added at the end of the year (6 every fourth year). The months, beginning at the autumnal equinox, are Vendémiaire, Brumaire, Frimaire, Nivôse, Pluviôse, Ventôse, Germinal, Floréal, Prairial, Messidor, Thermidor, and Fructidor.
- rural delivery service — mail delivery operated primarily to deliver and collect mail in rural communities with no other convenient postal facilities.
- save the children fund — a development agency which raises money for deprived children around the world
- scandinavian peninsula — large peninsula in N Europe, consisting of Norway & Sweden
- second vatican council — the twenty-first Roman Catholic ecumenical council (1962–65) convened by Pope John XXIII. Its 16 documents redefined the nature of the church, gave bishops greater influence in church affairs, and increased lay participation in liturgy.
- selective transmission — a transmission in which the available forward and reverse gears may be engaged in any order, without passing progressively through the different changes of gear.
- special delivery stamp — a stamp of special design, having a value indicating an extra fee in addition to the regular postage, and affixed to an item of mail to ensure its special delivery.
- speculative philosophy — philosophy embodying beliefs insusceptible of proof and attempting to gain insight into the nature of the ultimate by intuitive or a priori means.
- spinal accessory nerve — accessory nerve.
- subjective probability — a measure or estimate of the degree of confidence one may have in the occurrence of an event, defined by subjective criteria
- surface effect vehicle — ACV (def 2).
- the atlantic provinces — certain of the Canadian provinces with coasts facing the Gulf of St Lawrence or the Atlantic: New Brunswick, Nova Scotia, Prince Edward Island, and Newfoundland and Labrador
- the pennsylvania dutch — a group of German-speaking people in E Pennsylvania, descended from 18th-century settlers from SW Germany and Switzerland
- unconventional warfare — warfare that is conducted within enemy lines through guerrilla tactics or subversion, usually supported at least in part by external forces.
- universal product code — a bar code that indicates price, product classification, etc., and can be read electronically, as at checkout counters in supermarkets. Abbreviation: UPC.
- upright vacuum cleaner — a vacuum cleaner that is tall rather than wide
- valencia simple tasker — (operating system) (VSTa) A small microkernel based Unix-like operating system, taking ideas from QNX and Plan 9, available under GPL.
- valvular insufficiency — abnormal closure of a heart valve resulting in failure to prevent regurgitation of blood.
- varicella zoster virus — a type of herpesvirus that causes chickenpox and shingles.
- verification principle — (in the philosophy of the logical positivists) the doctrine that nontautologous statements are meaningful only if it is in principle possible to establish empirically whether they are true or false
- vitreoretinal traction — friction on the internal limiting membrane of the retina of the eye by adherent vitreous fibrils in vitreous humour detachment
- wolfram von eschenbach — c1170–c1220, German poet.