13-letter words containing r, u, f, l, e, s
- sulfamerazine — a sulfa drug, C11H12N4O2S, a methyl derivative of sulfadiazine that is more rapidly absorbed
- sulfapyridine — a sulfanilamide derivative, C 1 1 H 1 1 N 3 O 2 S, formerly used for infections caused by pneumococci, now used primarily for a particular dermatitis.
- sulfate paper — paper made from sulfate pulp.
- sulfite paper — paper made from sulfite pulp.
- sulfur-flower — a plant, Eriogonum umbellatum, of the buckwheat family, native to the western coast of the U.S., having leaves with white, woolly hairs on the underside and golden-yellow flowers.
- sunflower oil — oil obtained from sunflower seeds
- superficially — being at, on, or near the surface: a superficial wound.
- superfluidity — a fluid that exhibits frictionless flow, very high heat conductivity, and other unusual physical properties, helium below 2.186 K being the only known example.
- superfluously — being more than is sufficient or required; excessive.
- superpowerful — extremely powerful
- surface plate — Machinery. a flat plate used by machinists for testing surfaces that are to be made perfectly flat.
- surface-layer — the thin layer of air adjacent to the earth's surface, usually considered to be less than 300 feet (91 meters) high.
- transfusively — in a transfusive manner
- ultra-leftism — the beliefs of extremely left-wing political parties or groups
- ultra-leftist — a person with extremely left-wing political views
- umbelliferous — bearing an umbel or umbels.
- unforeseeable — to have prescience of; to know in advance; foreknow.
- unforeseeably — to have prescience of; to know in advance; foreknow.
- unhurtfulness — the state of being unhurtful
- unrestfulness — the state of being restless
- unsuperficial — external or outward: a superficial resemblance.
- unsuperfluous — not superfluous or excessive; moderate
- user-friendly — easy to use, operate, understand, etc.: the most user-friendly personal computer now on the market.
- venus flytrap — firewall machine
- wasterfulness — the state of being wasteful
- wonderfulness — excellent; great; marvelous: We all had a wonderful weekend.