17-letter words containing a, r, u, m, f
- reduction formula — a formula, such as sin (90° ± A) = cos A, expressing the values of a trigonometric function of any angle greater than 90° in terms of a function of an acute angle
- rheumatoid factor — an antibody that is found in the blood of many persons afflicted with rheumatoid arthritis and that reacts against globulins in the blood.
- safety in numbers — If you say that there is safety in numbers, you mean that you are safer doing something if there are a lot of people doing it rather than doing it alone.
- semi-manufactured — the making of goods or wares by manual labor or by machinery, especially on a large scale: the manufacture of television sets.
- silk manufacturer — a person or business that is involved in the manufacture of silk thread and fabric
- south farmingdale — a town on central Long Island, in SE New York.
- star-of-jerusalem — meadow salsify.
- supreme sacrifice — the sacrifice of one's own life: Many made the supreme sacrifice during the war.
- surface treatment — A surface treatment is a process applied to the surface of a material to make it better in some way, for example by making it more resistant to corrosion or wear.
- thermal diffusion — the separation of constituents, often isotopes, of a fluid under the influence of a temperature gradient.
- uncomfortableness — causing discomfort or distress; painful; irritating.
- unconformity trap — An unconformity trap is a hydrocarbon trap where the closure is made by an unconformity (= a formation of rock layers which represents a gap in the geological record).
- uniformitarianism — supporting, conforming to, or derived from a theory or doctrine about uniformity, especially on the subject of geology.
- unprofessionalism — not professional; not pertaining to or characteristic of a profession.
- waiver of premium — a provision in a policy establishing specific conditions under which the policy will be kept in force without the policyholder's being required to continue to pay premiums.
- wave-cut platform — a flat surface at the base of a cliff formed by erosion by waves
- woman of the hour — a woman honored by a group.