15-letter words containing a, v, o, c
- peace offensive — an active program, policy, propaganda campaign, etc., by a national government for the purpose of terminating a war or period of hostility, lessening international tensions, or promoting peaceful cooperation with other nations.
- photoactivation — the activation or control of a chemical, chemical reaction, or organism by light, as the activation of chlorophyll by sunlight during photosynthesis.
- photorefractive — of or relating to a change in the index of refraction by spatial variations of the light intensity, as in a laser.
- pick-and-shovel — marked by drudgery; laborious: the pick-and-shovel work necessary to get a political campaign underway.
- play havoc with — bring chaos to
- positive caster — a person or thing that casts.
- postvaccination — occurring after a vaccination
- press of canvas — the most sail a vessel can carry under given conditions
- preverification — the state of being verified.
- private company — a company whose shareholders may not exceed 50 in number and whose shares may not be offered for public subscription.
- procrastinative — to defer action; delay: to procrastinate until an opportunity is lost.
- procreativeness — the quality of being procreative
- public lavatory — a public toilet
- quasi-objective — something that one's efforts or actions are intended to attain or accomplish; purpose; goal; target: the objective of a military attack; the objective of a fund-raising drive.
- radial velocity — the component of the motion of a star away from or toward the earth along its line of sight, expressed in miles or kilometers per second and determined by the shift in the wavelength of light emitted by the star.
- radioprotective — giving protection against the effects of radiation
- recoverableness — the ability to be recovered or chance of being able to recover
- reservoir patch — A reservoir patch is an adhesive patch enclosing an amount of medicine. The patch is applied to the skin, and the medicine in it is delivered through a membrane into the skin and into the bloodstream.
- sauvignon blanc — a white grape grown primarily in France and California.
- save one's neck — to escape from a difficult or dangerous situation
- savings account — a bank account on which interest is paid, traditionally one for which a bankbook is used to record deposits, withdrawals, and interest payments.
- scavenge stroke — (in a reciprocating engine) the stroke of a piston in a four-stroke cycle that pushes the burnt gases out as exhaust
- service station — Also called gas station. a place equipped for servicing automobiles, as by selling gasoline and oil, making repairs, etc.
- servo-mechanism — A servo-mechanism is a system or device that provides increased power to operate a control.
- shockwave flash — flash
- shoshone cavern — a large cave in NW Wyoming: a national monument.
- sled cultivator — go-devil (def 5).
- social movement — a group of diffusely organized people or organizations striving toward a common goal relating to human society or social change, or the organized activities of such a group: The push for civil rights was a social movement that peaked in the 1950s and 1960s.
- social services — organized welfare efforts carried on under professional auspices by trained personnel.
- subcivilization — a division of a civilization
- subconjunctival — the mucous membrane that lines the exposed portion of the eyeball and inner surface of the eyelids.
- subcontraoctave — the octave below the contraoctave, which is three octaves below the middle C octave on a standard keyboard
- subvocalization — the act or process of producing subvocal speech
- survival course — a course that teaches people how to survive in the wild and in other dangerous environments
- tactical voting — Tactical voting is the act of voting for a particular person or political party in order to prevent someone else from winning, rather than because you support that person or party.
- tank locomotive — a steam locomotive carrying its own fuel and water without the use of a tender.
- ticket of leave — (formerly) a permit allowing a convict to leave prison, under certain restrictions, and go to work before having served a full term, somewhat similar to a certificate of parole.
- tractive effort — the force exerted by a locomotive or other powered vehicle on its driving wheels.
- travel brochure — a brochure, often from a travel agency, which advertises holidays, hotels, etc
- traveling block — (in a hoisting tackle) the block hooked to and moving with the load.
- trochlear nerve — either one of the fourth pair of cranial nerves, consisting of motor fibers that innervate the superior oblique muscle of the upper part of the eyeball.
- ultraconvenient — extremely convenient
- uncommunicative — not inclined to talk or disclose information; reserved; taciturn.
- uncontroversial — of, relating to, or characteristic of controversy, or prolonged public dispute, debate, or contention; polemical: a controversial book.
- uncooperatively — in an uncooperative or unhelpful manner
- vacation course — a course of study undertaken during a vacation, usually combined with other activities
- vacuum concrete — concrete from which excess moisture and air are sucked to quicken hardening and increase strength.
- varicocelectomy — the surgical removal or ligation of varicose veins in the scrotal sac.
- variola porcina — an acute infectious viral disease of pigs characterized by skin eruptions
- vascularization — (of a tissue or embryo) to develop or extend blood vessels or other fluid-bearing vessels or ducts; become vascular.