15-letter words containing f, o, l, w, a
- snowball effect — a process of continuously accelerating change in size, importance, etc
- starfish flower — carrion flower (def 2).
- streamline flow — the flow of a fluid past an object such that the velocity at any fixed point in the fluid is constant or varies in a regular manner.
- sunflower state — Kansas (used as a nickname).
- teaching fellow — a holder of a teaching fellowship.
- the rule of law — the principle that no one is above the law and that everyone must follow the law
- wager of battle — (in medieval Britain) a pledge to do battle for a cause, esp to decide guilt or innocence by single combat
- waterfall model — (programming) A software life-cycle or product life-cycle model, described by W. W. Royce in 1970, in which development is supposed to proceed linearly through the phases of requirements analysis, design, implementation, testing (validation), integration and maintenance. The Waterfall Model is considered old-fashioned or simplistic by proponents of object-oriented design which often uses the spiral model instead. Earlier phases are sometimes called "upstream" and later ones "downstream". Compare: iterative model.
- waterford glass — fine cut or gilded glass made in Waterford, Ireland, having a slight blue cast due to the presence of cobalt.
- welfare officer — a person who gives people help and advice
- well-formulated — to express in precise form; state definitely or systematically: He finds it extremely difficult to formulate his new theory.
- windfall profit — a profit that arises thanks to an external event over which the person profiting had no control
- wolf-rayet star — a very hot (35,000–100,000 K) and luminous star in the early stages of evolution, with broad emission lines in its spectrum.
- wrongful arrest — the act of arresting someone without proper reason
- yellow goatfish — a schooling goatfish, Mulloidichthys martinicus, inhabiting the Atlantic Ocean from Florida to Panama.