18-letter words containing a, l, o, c, t, r

social environment — the environment developed by humans as contrasted with the natural environment; society as a whole, especially in its relation to the individual.
societal marketing — marketing that takes into account society's long-term welfare
software backplane — (programming, tool) A CASE framework from Atherton.
solvent extraction — Solvent extraction is the separation of a particular substance from a mixture by dissolving that substance in a solvent that will dissolve it, but which will not dissolve any other substance in the mixture.
special prosecutor — (formerly) an independent counsel.
spectroheliography — the process of obtaining an image of the sun in light of a particular wavelength, such as calcium or hydrogen, showing the distribution of the element over the surface and in the solar atmosphere, using a spectroheliograph
spectropolarimeter — an instrument for determining the extent to which plane-polarized light of various wavelengths is rotated by certain solutions, consisting of a combination of a spectroscope and a polarimeter.
spectropolariscope — an instrument combining the functions of a spectroscope with those of a polariscope.
spherical geometry — the branch of geometry that deals with figures on spherical surfaces.
spotted flycatcher — a European woodland songbird, Muscicapa striata, with a greyish-brown streaked plumage: family Muscicapidae (Old World flycatchers)
stationary bicycle — an exercise bike
stoichiometrically — of or relating to stoichiometry.
stokely carmichael — Hoagland Howard [hohg-luh nd] /ˈhoʊg lənd/ (Show IPA), ("Hoagy") 1899–1981, U.S. songwriter and musician.
store launch event — A store launch event is a special event, which publicizes the opening of a new store and at which discounts and free samples may be offered.
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
structural formula — a chemical formula showing the linkage of the atoms in a molecule diagrammatically, as H–O–H.
structural geology — the branch of geology dealing with the structure and distribution of the rocks that make up the crust of the earth. Also called tectonics. Compare structure (def 7a).
subatomic particle — physics:
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.
super royal octavo — a book size, 63⁄4 by 101⁄4 inches
task control block — (architecture) An MVS control block used to communicate information about tasks within an address space that are connected to an MVS subsystem such as MQSeries for MVS/ESA or CICS.
teacher evaluation — the process of vetting teachers to maintain teaching standards
tectorial membrane — membrane in the inner ear that covers the organ of Corti
tender loving care — considerate and kindly care, as of someone who is ill, upset, etc
tetrachloromethane — carbon tetrachloride.
the coast is clear — If you say that the coast is clear, you mean that there is nobody around to see you or catch you.
the electronic age — the electronic age began when electronic equipment, including computers came into use
the north atlantic — the northern part of the Atlantic Ocean, especially the waters separating North America and Europe
the-cocktail-party — a play in verse (1950) by T. S. Eliot.
theater of cruelty — a form of surrealist theater originated by Antonin Artaud and emphasizing the cruelty of human existence by portraying sadistic acts and intense suffering.
theatre of cruelty — a type of theatre advocated by Antonin Artaud in Le Théâtre et son double that seeks to communicate to its audience a sense of pain, suffering, and evil, using gesture, movement, sound, and symbolism rather than language
theodore gericault — (Jean Louis André) Théodore [zhahn lwee ahn-drey tey-aw-dawr] /ʒɑ̃ lwi ɑ̃ˈdreɪ teɪ ɔˈdɔr/ (Show IPA), 1791–1824, French painter.
thermonuclear bomb — hydrogen bomb.
thiosulphuric acid — an unstable acid known only in solutions and in the form of its salts. Formula: H2S2O3
to all appearances — apparently
to clear the decks — If you clear the decks, you get ready to start something new by finishing any work that has to be done or getting rid of any problems that are in the way.
to fall from grace — If someone falls from grace, they suddenly stop being successful or popular.
to hold your peace — If you hold or keep your peace, you do not speak, even though there is something you want or ought to say.
to scrape a living — If you say that someone scrapes a living or scratches a living, you mean that they manage to earn enough to live on, but it is very difficult. In American English, you say they scrape out a living or scratch out a living.
too clever by half — If someone is too clever by half, they are very clever and they show their cleverness in a way that annoys other people.
traditional policy — a life assurance policy in which the policyholder's premiums are paid into a general fund and his or her investment benefits are calculated according to actuarial formulae
traffic controller — a person whose job is to control the flow of air traffic
transcendental ego — (in Kantian epistemology) that part of the self that is the subject and never the object.
translation agency — an organization that provide people to translate speech or writing into a different language
triangle of forces — a triangle whose sides represent the magnitudes and directions of three forces whose resultant is zero and which are therefore in equilibrium
trickle irrigation — drip irrigation.
ulcerative colitis — chronic ulceration in the large intestine, characterized by painful abdominal cramps and profuse diarrhea containing pus, blood, and mucus.
ultralow frequency — an electromagnetic wave with a frequency between 300 and 3000 hertz. Abbreviation: ULF, ulf.
ultrasonic testing — the scanning of material with an ultrasonic beam, during which reflections from faults in the material can be detected: a powerful nondestructive test method
ultrasonic welding — the use of high-energy vibration of ultrasonic frequency to produce a weld between two components which are held in close contact

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