13-letter words containing f, l, u, r
- owl butterfly — any of several South American nymphalid butterflies of the genus Caligo, especially C. eurylochus, having a spot like an owl's eye on each hind wing.
- parainfluenza — an influenzalike respiratory infection of animals and humans, caused by any of several paramyxoviruses.
- parquet floor — flooring made of inlaid wood
- perfunctorily — performed merely as a routine duty; hasty and superficial: perfunctory courtesy.
- personal foul — a foul called in certain games, as basketball or football, for illegal body contact or rough, unsportsmanlike play.
- petroliferous — containing or yielding petroleum
- platiniferous — platinum-bearing
- plunging fire — artillery or other fire that strikes the ground at a steep angle, as from high ground overlooking the target or from a weapon fired at a high angle of elevation.
- polliniferous — Botany. producing or bearing pollen.
- popular front — a coalition, usually temporary, of leftist and sometimes centrist political parties, formed against a common opponent, as fascism, and promoting social reform.
- power failure — electricity outage
- preformulated — to express in precise form; state definitely or systematically: He finds it extremely difficult to formulate his new theory.
- prefunctional — of or relating to a function or functions: functional difficulties in the administration.
- proliferously — by proliferation
- quadrifoliate — (botany) Having four leaves or leaflets.
- qualificatory — That serves as qualification.
- quarter-final — A quarter-final is one of the four matches in a competition which decides which four players or teams will compete in the semi-final.
- quarterfinals — Plural form of quarterfinal.
- quasi-federal — pertaining to or of the nature of a union of states under a central government distinct from the individual governments of the separate states, as in federal government; federal system.
- reformulation — to formulate again.
- refundability — to give back or restore (especially money); repay.
- renal failure — a condition in which the kidneys fail to function adequately
- reproachfully — full of or expressing reproach or censure: a reproachful look.
- reptiliferous — (of rocks, etc) yielding fossilized reptiles
- return flight — a flight going back
- reverse fault — a fault in which the rock above the fault plane is displaced upward relative to the rock below the fault plane (opposed to gravity fault).
- robert fulton — Robert, 1765–1815, U.S. engineer and inventor: builder of the first profitable steamboat.
- rouse oneself — to become active or energetic
- rule of three — the method of finding the fourth term in a proportion when three terms are given.
- rule of thumb — a general or approximate principle, procedure, or rule based on experience or practice, as opposed to a specific, scientific calculation or estimate.
- ruled surface — a surface that can be generated by a straight line, as a cylinder or cone.
- sales figures — the amount of sales of something within a particular time frame
- school figure — (in ice skating) any one of a group of sixty-nine different figures, skated in two- or three-circle figure-eight patterns, used to test various skating movements, a skater usually being required to perform six selected ones in competition.
- sea butterfly — any member of the gastropod order Pteropoda, shelled marine mollusks so called for their ability to swim using winglike extensions of the foot.
- self-coloured — of one color.
- self-destruct — to destroy itself or oneself: The missile is built so that a malfunction will cause it to self-destruct.
- self-distrust — lack of confidence in oneself, in one's abilities, etc.
- self-exposure — the act of exposing, laying open, or uncovering: the sudden exposure of objects that were hidden under the blanket.
- self-incurred — to come into or acquire (some consequence, usually undesirable or injurious): to incur a huge number of debts.
- self-procured — to obtain or get by care, effort, or the use of special means: to procure evidence.
- self-produced — produced by oneself or itself.
- self-ridicule — speech or action intended to cause contemptuous laughter at a person or thing; derision.
- self-security — freedom from danger, risk, etc.; safety.
- silver surfer — elderly internet user
- single-figure — relating to numbers below ten
- small fortune — a large sum of money
- soft shoulder — the unpaved edge of a road.
- solar furnace — a furnace using sunlight concentrated by concave mirrors as the direct source of heat.
- spinuliferous — relating to a spine or spines
- splendiferous — splendid; magnificent; fine.