13-letter words containing r, a, f, l
- spurge family — the large plant family Euphorbiaceae, characterized by herbaceous plants, shrubs, and trees having milky juice, simple alternate leaves or no leaves, usually petalless flowers often with showy bracts, and capsular fruit, and including cassava, croton, crown-of-thorns, poinsettia, snow-on-the-mountain, spurge, and the plants that produce castor oil, rubber, and tung oil.
- state funeral — a ceremonial funeral for a head of state, or other very important person
- storax family — the plant family Styracaceae, characterized by trees and shrubs having simple, alternate leaves, clusters of bell-shaped white flowers, and fleshy or dry fruit, and including the silver bell, snowbell, and storax.
- sugar of lead — lead acetate.
- sugar of milk — lactose.
- 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.
- sulfuric acid — a clear, colorless to brownish, dense, oily, corrosive, water-miscible liquid, H 2 SO 4 , usually produced from sulfur dioxide: used chiefly in the manufacture of fertilizers, chemicals, explosives, and dyestuffs and in petroleum refining.
- superficially — being at, on, or near the surface: a superficial wound.
- 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.
- tassel flower — love-lies-bleeding.
- tetrafluoride — a fluoride containing four fluorine atoms.
- thalamifloral — relating to the Thalamiflorae
- the mayflower — the ship in which the Pilgrim Fathers sailed from Plymouth to Massachusetts in 1620
- to fall short — If someone or something is or stops short of a place, they have not quite reached it. If they are or fall short of an amount, they have not quite achieved it.
- tortilla flat — a novel (1935) by John Steinbeck.
- trading floor — stock exchange: room where trading is done
- traffic light — a set of electrically operated signal lights used to direct or control traffic at intersections.
- transfer list — In football, a transfer list is a list of players at a club who may be sold to other clubs.
- transferrable — to convey or remove from one place, person, etc., to another: He transferred the package from one hand to the other.
- transformable — to change in form, appearance, or structure; metamorphose.
- transfusional — of or relating to transfusion
- transfusively — in a transfusive manner
- trifunctional — pertaining to molecules that can react at three sites.
- tropical fish — any of numerous small, usually brightly colored fishes, indigenous to the tropics, and often kept and bred in home aquariums.
- twelfth grade — (in the US) the final year of secondary school after which students usually graduate at age 17 or 18
- ultra-leftism — the beliefs of extremely left-wing political parties or groups
- ultra-leftist — a person with extremely left-wing political views
- ultrafamiliar — extremely familiar
- ultrafeminine — pertaining to a woman or girl: feminine beauty; feminine dress.
- ultrafiltrate — a liquid that has been passed through an ultrafilter.
- ultrapowerful — extremely powerful
- ultrararefied — extremely rarefied
- umbraculiform — umbrella-shaped
- umbrella leaf — a rare, large-leaved perennial herb, Diphylleia cymosa, of the southeastern U.S., having white flowers and small, blue berries.
- uncomfortable — causing discomfort or distress; painful; irritating.
- uncomfortably — causing discomfort or distress; painful; irritating.
- unconformable — not conformable; not conforming.
- unconformably — not conformable; not conforming.
- underinflated — lacking sufficient air pressure
- unenforceable — to put or keep in force; compel obedience to: to enforce a rule; Traffic laws will be strictly enforced.
- unfalteringly — to hesitate or waver in action, purpose, intent, etc.; give way: Her courage did not falter at the prospect of hardship.
- unfamiliarity — not familiar; not acquainted with or conversant about: to be unfamiliar with a subject.
- unforeseeable — to have prescience of; to know in advance; foreknow.
- unforeseeably — to have prescience of; to know in advance; foreknow.
- unforgettable — impossible to forget; indelibly impressed on the memory: scenes of unforgettable beauty.
- unforgettably — impossible to forget; indelibly impressed on the memory: scenes of unforgettable beauty.