18-letter words containing a, r, e, n, d, t

sodium bicarbonate — a white, crystalline, water-soluble solid, in powder or granules, NaHCO 3 , usually prepared by the reaction of soda ash with carbon dioxide or obtained from the intermediate product of the Solvay process by purification: used chiefly in the manufacture of sodium salts, baking powder, and beverages, as a laboratory reagent, as a fire extinguisher, and in medicine as an antacid.
solitary sandpiper — a North American sandpiper, Tringa solitaria, of inland wetlands, having a brownish-gray, white-spotted back and whitish underparts.
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
st. andrew's cross — a low evergreen shrub, Ascyrum hypericoides, native to temperate and subtropical America, having flowers in clusters of three: often cultivated.
stand one's ground — the solid surface of the earth; firm or dry land: to fall to the ground.
stand-by generator — an electrical system which operates automatically in case the usual system malfunctions
stand-by passenger — someone who buys a (usually cheaper) ticket, if they are still available, on a plane just before it is about to leave rather than booking in advance
standard amenities — the sanitary facilities recommended for all dwellings by the housing law: a fixed bath or shower, wash-hand basin, and sink, all supplied with hot and cold water, and a flush toilet
standard deviation — a measure of dispersion in a frequency distribution, equal to the square root of the mean of the squares of the deviations from the arithmetic mean of the distribution.
standard schnauzer — schnauzer.
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
strike an attitude — to assume a posture or pose, often an affected or theatrical one
subordinate clause — a clause that modifies the principal clause or some part of it or that serves a noun function in the principal clause, as when she arrived in the sentence I was there when she arrived or that she has arrived in the sentence I doubt that she has arrived.
sun-dried tomatoes — tomatoes that have been dried or preserved by exposure to the sun
take sth in stride — If you take a problem or difficulty in stride, you deal with it calmly and easily.
tardive dyskinesia — a disorder characterized by restlessness and involuntary rolling of the tongue or twitching of the face, trunk, or limbs, usually occurring as a complication of long-term therapy with antipsychotic drugs.
telford and wrekin — a unitary authority in W Central England, in Shropshire. Pop: 160 300 (2003 est). Area: 289 sq km (112 sq miles)
temporary hardness — hardness of water due to the presence of magnesium and calcium hydrogencarbonates, which can be precipitated as carbonates by boiling
tender loving care — considerate and kindly care, as of someone who is ill, upset, etc
tertiary education — education, following secondary education at a school, at a college or university
the american dream — the notion that the American social, economic, and political system makes success possible for every individual
the bird has flown — the person in question has fled or escaped
the dark continent — a term for Africa when it was relatively unexplored
the grand national — an annual steeplechase run at Aintree, Liverpool, since 1839
the stars and bars — the flag of the Confederate States of America
the-dark-continent — Africa: so called, especially during the 19th century, because little was known about it.
thioarsenious acid — any of a group of hypothetical acids, H3AsS3, HAsS2, and H4As2S5, known only in the forms of their salts
third man argument — (in the philosophy of Aristotle) the argument against the existence of Platonic Forms that since the Form of Man is itself a perfect man, a further form (the "third" man) would be required to explain this, and so ad infinitum
threatened species — a species likely, in the near future, to become an endangered species within all or much of its range.
three-cornered hat — a triangular shaped hat which was popular in the 17th and 18th centuries; its turned up brim formed a gutter for catching rain
three-day eventing — participation in a three day equestrian competition consisting of dressage, cross-country jumping, and stadium jumping
to be above ground — to be alive
to be on the radar — to be noticed or important
to speak your mind — If you speak your mind, you say firmly and honestly what you think about a situation, even if this may offend or upset people.
traditional weapon — a weapon having ceremonial tribal significance, such as an assegai or knobkerrie
tranquillizer dart — a dart filled with a tranquillizer that is shot from a gun in order to temporarily sedate an animal so that it may be handled safely
transcendental ego — (in Kantian epistemology) that part of the self that is the subject and never the object.
transit theodolite — a theodolite having a telescope that can be transited.
transporter bridge — a bridge for carrying passengers and vehicles by means of a platform suspended from a trolley.
triarylmethane dye — any of the class of dyes containing three aryl groups attached to a central carbon atom: used chiefly for dyeing cotton, wool, and silk.
tristan und isolde — a music drama (composed, 1857–59; première, 1865) by Richard Wagner.
trobriand islander — a native or inhabitant of the Trobriand Islands of Papua New Guinea
turn one's hand to — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
ultrasonic welding — the use of high-energy vibration of ultrasonic frequency to produce a weld between two components which are held in close contact
ultrasound scanner — a device used to examine an internal bodily structure by the use of ultrasonic waves, esp for the diagnosis of abnormality in a fetus
under one's breath — the air inhaled and exhaled in respiration.
under the aegis of — guided or protected by

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