(n.) A broad board painted black, or any black surface on which writing, drawing, or the working of mathematical problems can be done with chalk or crayons. It is much used in schools.
Example Sentences:
(1) URL: Kenyan police again disputed this explanation, with the deputy inspector general, Grace Kaindi, claiming that writing on a blackboard found at a junction near Hindi with could implicate the Mombasa Republic Movement (MRC) , a group that campaigns for independence of the coastal region.
(2) In 1954 the BBFC banned the Marlon Brando biker flick The Wild One outright (it was eventually released here in 1968), while the following year Clare Booth Luce, as US ambassador to Italy, intervened to prevent The Blackboard Jungle being shown in competition at Venice.
(3) Le Petit Commerce (+33 5 56 79 76 58, no 22) has an exhaustive choice of seafood on its daily blackboard.
(4) The dominant theories of visual search assume that these modules form a "blackboard" architecture: a set of independent representations that communicate only through a central processor.
(5) Each group must record on the blackboard its answers to key questions before the problems are discussed.
(6) Maybe said: "Hello sir, is that a blackboard rubber or are you just pleased to see me?"
(7) Blackboard and task control modules allow specific knowledge-based modules to act on information available to the blackboard.
(8) Last week in the House of Commons a young Conservative backbencher, who until now would have been listed in the "thoroughly loyal" column on the Tory whips' office blackboard, was asked about talk of Boris Johnson being installed again as an MP so that, at the right moment, he could mount a coup and replace Cameron as leader and prime minister.
(9) The specificity and the use of diapositives, synchronized slide audiotype series, fragmental films, survey films, folding foils, natural models, drawings on the blackboard, and closed-circuit television are dealt with.
(10) We’ve brought large crates of stationery, whiteboards, blackboards, paper, exercise books, pens, pencils and calculators.
(11) A cartoon in South Africa's The Star newspaper showed Malema at a school desk, watching admiringly as Mugabe, in mortar board and gown, pointed to a blackboard and the chalked words: "How to destroy a country."
(12) In order to make students pay attention to content you have to suddenly bang on the desk with your fist or get up and write on the blackboard, and if you're lucky the chalk will squeak, and the people will wake up and pay attention.
(13) The techniques which scored best were giving the questionnaire before the lectures, giving handouts and using the blackboard.
(14) Eight environmental sounds, i.e., playing the harp, cuckoo's song, sound of the waves, cock's crow, noise of the subway, alarm of a clock, sound of a dentist's drill, scratching of the blackboard, and their temporally reverse sounds were presented for 20 sec to 16 college students in a sound-attenuated chamber.
(15) These events became performances in the same way that Joseph Beuys’ blackboard lectures would a century later.
(16) Double denim creates an effect that is the optical equivalent of nails scraping down a blackboard.
(17) The present system makes use of a blackboard architecture and multiple knowledge sources within an integrated model-based system.
(18) Thus this nucleus plays the role of an 'active blackboard' on which the current best reconstruction of some aspect of the world is always displayed.
(19) With the derestriction of broadcasting hours, those Zen-like moments of stillness on British TV – filled with Test Card F , the little girl with an Alice band playing noughts and crosses on a blackboard, or IBA engineering announcements "for the radio and television trade" – began to disappear, to be replaced eventually by an endless flow of programmes, stretching from dawn till daybreak.
(20) What American leaders and their intellectual lackeys seem incapable of understanding is that history cannot be swept clean like a blackboard, so that "we" might inscribe our own future there and impose our own forms of life for these lesser people to follow.
Chalk
Definition:
(n.) A soft, earthy substance, of a white, grayish, or yellowish white color, consisting of calcium carbonate, and having the same composition as common limestone.
(n.) Finely prepared chalk, used as a drawing implement; also, by extension, a compound, as of clay and black lead, or the like, used in the same manner. See Crayon.
(v. t.) To rub or mark with chalk.
(v. t.) To manure with chalk, as land.
(v. t.) To make white, as with chalk; to make pale; to bleach.
Example Sentences:
(1) The young screenwriters possibly needed to have chalked up a few miles before they could deliver really workable scripts."
(2) The blue skipping rope – that’s the key to this race.” My eight-year-old daughter looked at me like I was mad … but when it came time for the year 3 skipping race, she did as she was told – and duly chalked up a glorious personal best in third place.
(3) His flicked header into the net seconds later, chalked off by an offside flag, confirmed the forward's luck was not in.
(4) Inside the first 10 minutes, Boyd hit the bar and Lukas Jutkiewicz saw a goal correctly chalked off for offside, while Danny Ings headed just wide at 2-1, and substitute Ashley Barnes struck the bar late on.
(5) France chalked up growth of 0.5%, beating economists' expectations, the best growth figures Fran ç ois Hollande has seen since he was elected president 15 months ago.
(6) 2) If the board and adjacent ones are firmly fixed, dust talc or chalk through the cracks to stop them rubbing together.
(7) The phrase chalk and cheese springs to mind, or as the French say jour et nuit – day and night.
(8) Remember the Theater People: the gal rigging lights for her community theater's production of The Chalk Garden in Brainerd, Minnesota.
(9) The house was later covered in chalk and finally became a curious white landmark.
(10) It is recommended that overall average and chalk carving be given equal emphasis in the selection process.
(11) HS2’s barrister, James Strachan QC, was listening closely, however, and addressed specific points with a lawyer’s care to make no rash promises: HS2’s noise would be less than traffic on the A413; HS2 were working with the RSPB to “mitigate” for barn owls; and, “If there’s a need for chalk grassland, that’s the sort of thing that can be put into these areas to compensate.” Wendy Gray was allowed to respond: “It’s very difficult to be reassured on an unknown quantity,” she said.
(12) According to the sonographic pattern and to the scintigraphic imaging the focal lesions were analysed as micro- or macrofollicular adenomas, autonomous adenomas, cysts and chalk.
(13) Shortly after arriving in Rome, Las Vegas and Tallinn, however, the lines of gameless resolve I had chalked across my mind were wiped clean.
(14) The economy is forecast to chalk up only 0.75% growth this year, and to contract by 1% in 2009 - which would be the first full year of contraction since 1991.
(15) Look, Newsnight is made by 13-year-olds,” he said, speaking at the Chalke Valley history festival about his new book on the first world war.
(16) A series of 75 spoilt soft lenses with opacities (mostly manifesting as discrete spots or as large areas of cloudiness, chalk-white in appearance) were subjected to histochemical, electron microscopical, electron probe x-ray microanalytical, x-ray diffraction, atomic absorption spectro-photometric, and biochemical analyses.
(17) A suspension of chalk powder was injected into the cavity of the urinary bladder of Fischer 344 rats.
(18) The reactivity of soils varies widely as geological and sedimentological conditions offer typical but different environments: gravels, chalk soil, clay, salt soils, sands, cave earths are examples of this wide variety, including atmospheric and biogenetic implications.
(19) A staircase descends steeply into a network of tunnels and cellars that lead to extraordinary old chalk pits.
(20) Photograph: Graham Turner for the Guardian But to date, the prospect of building on abandoned north Kent chalk quarries, has been so unattractive to housebuilders that they have delivered homes at the rate of just 25 a year when 1,000 a year are needed.