18-letter words containing s, d, e, a, t, h
- packet switch node — (PSN) A dedicated computer whose purpose is to accept, route and forward packets in a packet-switched network.
- pass the hat round — to collect money, as for a cause
- pennsylvania dutch — the descendants of 17th- and 18th-century settlers in Pennsylvania from southwest Germany and Switzerland.
- permanent hardness — hardness of water that cannot be removed by boiling as it results mainly from the presence of calcium and magnesium chlorides and sulphates
- phosphatidylserine — any of a class of phospholipids occurring in biological membranes and fats
- physical education — systematic instruction in sports, exercises, and hygiene given as part of a school or college program.
- positively charged — having a positive charge
- potassium chloride — a white or colorless, crystalline, water-soluble solid, KCl, used chiefly in the manufacture of fertilizers and mineral water, and as a source of other potassium compounds.
- pseudo-anarchistic — a person who advocates or believes in anarchy or anarchism.
- put heads together — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
- pyramus and thisbe — (in Greek legend) two lovers of Babylon: Pyramus, wrongly supposing Thisbe to be dead, killed himself and she, encountering him in his death throes, did the same
- rear its ugly head — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
- registered charity — official aid organization
- repayment schedule — a document detailing the specific terms of a borrower's loan, such as monthly payment, interest rate, due dates etc
- residential school — (in Canada) a boarding school maintained by the Canadian government for Indian and Inuit children from sparsely populated settlements
- rhode island white — one of a dual-purpose American breed of chickens having white feathers and a rose comb.
- saint john's bread — carob (def 2).
- scratch one's head — If you say that someone is scratching their head, you mean that they are thinking hard and trying to solve a problem or puzzle.
- search-and-destroy — designed to find and destroy by bombing etc
- september holidays — a period of time in September when people do not have to go to school, college or work
- shepherd satellite — a small moon orbiting near a planetary ring, whose gravitational pull helps confine the ring and the ring's extent.
- short-tailed shrew — a grayish-black shrew, Blarina brevicauda, common in eastern North America, that has a tail less than half the length of the body.
- shorthand notebook — a notebook used by a shorthand writer
- sign of the zodiac — one of the twelve constellations along the path of the ecliptic.
- sindbad the sailor — (in The Arabian Nights' Entertainments), a wealthy citizen of Baghdad who relates the adventures of his seven wonderful voyages.
- sit on one's hands — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- sodium thiocyanate — a white powder or colorless, deliquescent crystals, NaSCN, used chiefly in organic synthesis and in medicine in the treatment of hypertension.
- sodium thiosulfate — a white, crystalline, water-soluble powder, Na 2 S 2 O 3 ⋅5H 2 O, used as a bleach and in photography as a fixing agent.
- solid-fuel heating — heating that uses solid fuel, such as coal or coke
- sound and the fury — a novel (1929) by William Faulkner.
- sound spectrograph — an electronic device for recording a sound spectogram.
- southern rhodesian — a former name (until 1964) of Zimbabwe (def 1).
- sow dragon's teeth — to take some action that is intended to prevent strife or trouble but that actually brings it about
- spotted flycatcher — a European woodland songbird, Muscicapa striata, with a greyish-brown streaked plumage: family Muscicapidae (Old World flycatchers)
- standard schnauzer — schnauzer.
- stomach sweetbread — sweetbread (def 1).
- strathclyde region — a former local government region in W Scotland: formed in 1975 from Glasgow, Renfrewshire, Lanarkshire, Buteshire, Dunbartonshire, and parts of Argyllshire, Ayrshire, and Stirlingshire; replaced in 1996 by the council areas of Glasgow, Renfrewshire, East Renfrewshire, Inverclyde, North Lanarkshire, South Lanarkshire, Argyll and Bute, East Dunbartonshire, West Dunbartonshire, North Ayrshire, South Ayrshire, and East Ayrshire
- study hall teacher — a teacher who supervises or helps students during a period of time or lesson used for studying
- sutton-in-ashfield — a market town in N central England, in W Nottinghamshire. Pop: 41 951 (2001)
- swedish gymnastics — a system of passive and active exercising of muscles and joints
- take sth in stride — If you take a problem or difficulty in stride, you deal with it calmly and easily.
- tan someone's hide — to convert (a hide) into leather, especially by soaking or steeping in a bath prepared from tanbark or synthetically.
- temporary hardness — hardness of water due to the presence of magnesium and calcium hydrogencarbonates, which can be precipitated as carbonates by boiling
- the bird has flown — the person in question has fled or escaped
- the black and tans — a specially recruited armed auxiliary police force sent to Ireland in 1921 by the British Government to combat Sinn Féin
- the damage is done — If you say 'the damage is done', you mean that it is too late now to prevent the harmful effects of something that has already happened.
- the dismal science — a name for economics coined by Thomas Carlyle
- the first sea lord — the senior of the two serving naval officers who sits on the admiralty board of the Ministry of Defence
- the heavens opened — it started pouring with rain
- the lords temporal — (in Britain) peers other than bishops in their capacity as members of the House of Lords