21-letter words containing o, f, s, t, e

sieve of eratosthenes — a method of obtaining prime numbers by sifting out the composite numbers from the set of natural numbers so that only prime numbers remain.
silicon tetrafluoride — a colorless, fuming gas, SiF 4 , used chiefly in the manufacture of fluosilicic acid.
skeleton at the feast — a person or event that brings gloom or sadness to an occasion of joy or celebration
snap one's fingers at — any of the terminal members of the hand, especially one other than the thumb.
something for nothing — If you say that someone is getting something for nothing, you disapprove of the fact that they are getting what they want without doing or giving anything in return.
south pacific current — an ocean current that flows E in the South Pacific Ocean parallel to the Antarctic Circumpolar Current.
sovereign wealth fund — an investment fund created using the financial assets of a national government
spirits of turpentine — oil of turpentine.
spotted alfalfa aphid — a pale yellowish aphid, Therioaphis maculata, of the southern U.S., especially west of the Mississippi River, that is marked with black spots and has fine spines on its back: a pest mainly of alfalfa and some other legumes, as clover.
staffordshire terrier — former name of American Staffordshire terrier.
stare one in the face — to be glaringly obvious or imminent
stations of the cross — a series of 14 crosses, often accompanied by 14 pictures or carvings, arranged in order around the walls of a church, to commemorate 14 supposed stages in Christ's journey to Calvary
steer clear of sb/sth — If you steer clear of someone or something, you deliberately avoid them.
step-down transformer — a device that transfers an alternating current from one circuit to one or more other circuits with a decrease of voltage
stockholder of record — a stockholder or his or her agent whose name is registered on the books of the issuing corporation at the close of a business day set for determining that stockholders shall receive dividends or vote on an issue.
sun protection factor — SPF.
surface acoustic wave — an acoustic wave generated on the surface of a piezoelectric substrate: used as a filter in electronic circuits
surface friction drag — the part of the drag on a body moving through a fluid that is dependent on the nature of the surface of the body
surface of projection — the surface upon which an image or a set of points is projected.
surface of revolution — a surface formed by revolving a plane curve about a given line.
surface-to-underwater — (of a missile, message, etc.) traveling from the surface of the earth to a target underwater.
sweet spirit of nitre — ethyl nitrite spirit.
symphonie fantastique — a programmatic symphony (1830–31) in five movements by Hector Berlioz.
synchronized shifting — gear shifting in which the gears to be meshed are made to rotate at the same speed.
take off one's hat to — a shaped covering for the head, usually with a crown and brim, especially for wear outdoors.
take one's (own) life — to commit suicide
take one's finger out — stop delaying or procrastinating
take one's hat off to — to salute or congratulate
tetrabromofluorescein — eosin (def 1).
the acting profession — actors considered as a group
the barber of seville — Italian Il barbiere di Siviglia. a comic opera (1816) by Gioacchino Rossini based on a comedy (1775) by Beaumarchais.
the best of the bunch — If you say someone or something is the best of the bunch or the pick of the bunch, you mean they are the best of a group of people or things.
the end of one's rope — the end of one's endurance, resources, etc.
the fall of the cards — the chance distribution of cards in a given deal
the fast track to sth — the quickest or most direct route or system
the microsoft network — (networking) (MSN) Microsoft's ISP and online content service, launched in October 1996. Not to be confused with Microsoft Networking. MSN was originally based on custom software and protocols, however Microsoft saw the error of their ways and adopted Internet standards. MSN now provides standard WWW and email facilities, albeit with Microsoft's Internet Explorer web-browser and the Outlook Express email software. The service also provides "Community Services" including newsgroups, forums, and chat.
the oldest profession — prostitution
the origin of species — (On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life) a treatise (1859) by Charles Darwin setting forth his theory of evolution.
the shipping forecast — a radio broadcast made by the BBC of weather reports and forecasts for the seas around the British Isles
the slough of despond — a state of extreme despondency, depression or degradation
the stationery office — (in the UK) the company that supplies the civil service with all its office supplies, machinery, printing and binding, etc
theater of operations — the part of the theater of war, including a combat zone and a communications zone, that is engaged in military operations and their support.
theater of the absurd — theater in which standard or naturalistic conventions of plot, characterization, and thematic structure are ignored or distorted in order to convey the irrational or fictive nature of reality and the essential isolation of humanity in a meaningless world.
theatre of the absurd — drama in which normal conventions and dramatic structure are ignored or modified in order to present life as irrational or meaningless
to cross your fingers — If you cross your fingers, you put one finger on top of another and hope for good luck. If you say that someone is keeping their fingers crossed, you mean they are hoping for good luck.
to feather one's nest — If you say that someone is feathering their nest, you mean that they are getting a lot of money out of something, so that they can lead a comfortable life.
to get your rocks off — to reach orgasm; gain sexual satisfaction
to have green fingers — If someone has green fingers, they are very good at gardening and their plants grow well.
to play second fiddle — If you play second fiddle to someone, your position is less important than theirs in something that you are doing together.
to risk life and limb — If someone risks life and limb, they do something very dangerous that may cause them to die or be seriously injured.

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