13-letter words containing a, v, i, o
- provincialism — narrowness of mind, ignorance, or the like, considered as resulting from lack of exposure to cultural or intellectual activity.
- provincialist — a native or inhabitant of a province.
- provinciality — provincial character.
- provincialize — to make provincial in character.
- provisionally — providing or serving for the time being only; existing only until permanently or properly replaced; temporary: a provisional government.
- provocational — the act of provoking.
- provocatively — tending or serving to provoke; inciting, stimulating, irritating, or vexing.
- pulverization — to reduce to dust or powder, as by pounding or grinding.
- radioactivate — to make (a substance) radioactive.
- radioactivity — the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element.
- radius vector — Mathematics. the length of the line segment joining a fixed point or origin to a given point.
- ratiocinative — the process of logical reasoning.
- re-activation — to render active again; revive.
- re-evaluation — an act or instance of evaluating or appraising.
- reciprocative — to give, feel, etc., in return.
- recording van — a van containing sound and image recording equipment, used as a mobile recording studio
- recultivation — the act or art of cultivating.
- reinnervation — the restoration of a nerve supply by surgery or by regeneration
- reinvigorated — to give vigor to; fill with life and energy; energize.
- reinvigorator — something that gives new life and energy (to something)
- remonstrative — to say or plead in protest, objection, or disapproval.
- restoratively — in a restorative manner
- retroactively — operative with respect to past occurrences, as a statute; retrospective: a retroactive law.
- revaccination — the act or practice of vaccinating; inoculation with vaccine.
- revelationist — a person who believes in divine revelation.
- revendication — the process or act of revendicating
- reverberation — a reechoed sound.
- revindication — the act of vindicating.
- revolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
- ring-a-lievio — a game played usually between two teams in which the members of one team attempt to find, capture, and imprison the members of the other, who can be freed only by a teammate not yet captured.
- rio da duvida — former name of Roosevelt, Río.
- risk aversion — a strong disinclination to take risks
- rivalrousness — characterized by rivalry; competitive: the rivalrous aspect of their friendship.
- rocking valve — (on a steam engine) a valve mechanism oscillating through an arc to open and close.
- romantic love — love characterized by romance and involving sexual attraction
- rosenkavalier — an opera (1911) by Richard Strauss.
- russian olive — oleaster.
- salviniaceous — relating to the genus Salviniaceae
- savings ratio — the ratio of personal savings to disposable income, esp using the difference between national figures for disposable income and consumer spending as a measure of savings
- scratch video — the technique or practice of recycling images from films or television to make collages
- semioviparous — bearing young in an incomplete state of development, as a marsupial.
- shaving horse — a trestle for supporting and steadying a piece of work being shaved.
- silver dollar — A silver dollar is an American coin, worth one dollar, that is made of silver.
- silver iodate — a white, crystalline, slightly water-soluble powder, AgIO 3 , used in medicine chiefly as an antiseptic and as an astringent.
- silver poplar — white poplar (def 1).
- silver salmon — coho salmon.
- simon bolivar — Simón [sahy-muh n;; Spanish see-mawn] /ˈsaɪ mən;; Spanish siˈmɔn/ (Show IPA), ("El Libertador") 1783–1830, Venezuelan statesman: leader of revolt of South American colonies against Spanish rule.
- slasher movie — a film in which victims, often women, are slashed with knives, razors, etc
- slieve donard — a mountain in SE Northern Ireland, in the Mourne Mountains: highest peak in Northern Ireland. Height: 853 m (2798 ft)
- solitary wave — a localized disturbance that propagates like a wave but resembles a particle in that it does not disperse, even if it collides with other such waves.