19-letter words containing s, e, l, f, u
- lift up one's voice — to speak out loudly
- limit of resolution — the capacity of an optical system to resolve point objects as separate images.
- lose in the shuffle — to leave out or disregard in the confusion of things
- luminous efficiency — the perceived brightness of light as a ratio of the total luminous flux to total radiant flux of the source; a measure of brightness obtained by dividing the source's luminous flux by the consumption of its energy.
- malicious falsehood — a lie told by someone who knows the lie is false or knows it will do harm to the person it is concerning
- mid-autumn festival — a Chinese festival that is held to celebrate the end of the summer harvest, when the crops have been gathered.
- missing fundamental — a tone, not present in the sound received by the ear, whose pitch is that of the difference between the two tones that are sounded
- neufchâtel (cheese) — a soft white cheese prepared from whole milk or skim milk and eaten fresh or cured
- parainfluenza virus — any of a group of viruses that cause respiratory infections with influenza-like symptoms, esp in children
- peroxysulfuric acid — persulfuric acid (def 1).
- persian gulf states — group of Arab sheikdoms along the Persian Gulf: Kuwait, Bahrain, Qatar, & United Arab Emirates
- phacoemulsification — the removal of a cataract by first liquefying the affected lens with ultrasonic vibrations and then extracting it by suction.
- phakoemulsification — the removal of a cataract by first liquefying the affected lens with ultrasonic vibrations and then extracting it by suction.
- pillars of hercules — the two promontories at the E end of the Strait of Gibraltar: the Rock of Gibraltar on the European side and the Jebel Musa on the African side; according to legend, formed by Hercules
- potassium bisulfate — a colorless, crystalline, water-soluble solid, KHSO 4 , used chiefly in the conversion of tartrates to bitartrates.
- pseudo-professional — following an occupation as a means of livelihood or for gain: a professional builder.
- queensland lungfish — a lungfish, Neoceratodus forsteri, reaching a length of six feet: occurs in Queensland rivers but introduced elsewhere
- reflux oesophagitis — inflammation of the gullet caused by regurgitation of stomach acids, producing heartburn: may be associated with a hiatus hernia
- republic of letters — the collective body of literary people.
- respiratory failure — a condition in which the respiratory system is unable to provide an adequate supply of oxygen or to remove carbon dioxide efficiently
- ruffini's corpuscle — an end organ of certain sensory neurons that branches out parallel to the skin and responds to steady pressure.
- safety-squeeze-play — Baseball. Also called suicide squeeze, suicide squeeze play. a play executed when there is a runner on third base and usually not more than one out, in which the runner starts for home as soon as the pitcher makes a motion to pitch, and the batter bunts. Also called safety squeeze, safety squeeze play. a similar play in which the runner on third base waits until the batter has successfully bunted before trying to score.
- school of the squad — an institution where instruction is given, especially to persons under college age: The children are at school.
- sea of tranquillity — Astronomy. Mare Tranquillitatis.
- self-congratulating — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
- self-congratulation — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
- self-congratulatory — the expression or feeling of uncritical satisfaction with oneself or one's own accomplishment, good fortune, etc.; complacency.
- self-reconstruction — an act of reconstructing.
- seminiferous tubule — any of the coiled tubules of the testis in which spermatozoa are produced.
- sentential function — an expression that contains one or more variables and becomes meaningful when suitable constant terms are substituted for them.
- sharp-focus realism — photorealism.
- single life annuity — A single life annuity is an annuity where only one life is covered.
- sir wilfrid laurier — Sir Wilfrid [wil-frid;; French weel-freed] /ˈwɪl frɪd;; French wilˈfrid/ (Show IPA), 1841–1919, Canadian statesman: prime minister 1896–1911.
- sodium hydrosulfite — a white, crystalline, water-soluble powder, Na 2 S 2 O 4 , used as a reducing agent, especially in dyeing, and as a bleach.
- soft-shelled turtle — any of numerous aquatic turtles of the family Trionychidae, inhabiting North America, Asia, and Africa, having the shell covered with flexible, leathery skin instead of horny plates.
- solid of revolution — a three-dimensional figure formed by revolving a plane area about a given axis.
- specular reflection — Specular reflection is reflection of heat or light in which the angles of different parts of the surface are important.
- speculative fiction — a broad literary genre encompassing any fiction with supernatural, fantastical, or futuristic elements
- sphere of influence — any area in which one nation wields dominant power over another or others.
- sulfureted hydrogen — hydrogen sulfide.
- supercritical fluid — A supercritical fluid is a fluid at a temperature and pressure at which there is no difference between liquid and gas.
- term life insurance — life insurance for which premiums are paid over a limited time and that covers a specific term, the face value payable only if death occurs within that term.
- to be full of beans — If someone is full of beans, they are very lively and have a lot of energy and enthusiasm.
- to follow your nose — If you follow your nose to get to a place, you go straight ahead or follow the most obvious route.
- to keep to yourself — If you keep to yourself, you stay on your own most of the time and do not mix socially with other people.
- to the exclusion of — If you do one thing to the exclusion of something else, you only do the first thing and do not do the second thing at all.
- traffic regulations — rules designed to expedite the flow of traffic and prevent collisions
- trouble someone for — to ask someone to pass, hand, give, etc. (something) to one
- unclassified degree — a degree that has not been given a grade because it is of a low standard
- unlawful possession — possession of substances or items (such as drugs or guns) for which criminal sanctions exist because they may not be legally possessed or may not be possessed under certain circumstances