15-letter words containing rf
- riemann surface — a geometric representation of a function of a complex variable in which a multiple-valued function is depicted as a single-valued function on several planes, the planes being connected at some of the points at which the function takes on more than one value.
- rutherford atom — the atom postulated as analogous to the solar system, with electrons revolving around a small, central, positive nucleus that constitutes practically the entire mass of the atom
- starfish flower — carrion flower (def 2).
- superficialness — being at, on, or near the surface: a superficial wound.
- superfluousness — being more than is sufficient or required; excessive.
- surface density — quantity, as of electric charge, per unit surface area.
- surface grammar — grammar understood at the level of normal communication, rather than at the underlying level of 'deep' semantic and syntactic analysis
- surface tension — the elasticlike force existing in the surface of a body, especially a liquid, tending to minimize the area of the surface, caused by asymmetries in the intermolecular forces between surface molecules.
- surface-ripened — (of cheese) ripened on the surface by molds or other microorganisms.
- turf accountant — bookmaker (def 1).
- underfulfilling — falling short of satisfactory
- 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.