Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A smooth, hard, dark-colored panel for writing on with chalk.
from The Century Dictionary.
- noun A board painted black, used in schools, lecture-rooms, etc., for writing, drawing, or ciphering with chalk.
- noun Hence Any prepared surface, as of plaster or slate, used for the same purpose.
from the GNU version of the Collaborative International Dictionary of English.
- noun 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. In late 20th century similar boards of a green slate as well as some colored white became common; wrioting on the slate bioards may be done with chalk, but writing on the white boards is done with colored pens, such as grease pens, which leaves a trace that can be easily erased. The newer boards, usualy called
chalkboards are nevertheless still sometimes referred to asblackboards .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A large flat surface, finished with black slate or a similar material, that can be written upon with
chalk and subsequently erased; achalkboard - verb To use a blackboard to assist in an informal discussion.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun sheet of slate; for writing with chalk
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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The monster crystals, over six meters long, are made of selenite, a crystalline form of the mineral gypsum (the number one ingredient in blackboard chalk!).
Did you know? Chihuahua caves house the world's largest crystals 2009
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The monster crystals, over six meters long, are made of selenite, a crystalline form of the mineral gypsum (the number one ingredient in blackboard chalk!).
Did you know? Chihuahua caves house the world's largest crystals 2009
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The monster crystals, over six meters long, are made of selenite, a crystalline form of the mineral gypsum (the number one ingredient in blackboard chalk!).
Did you know? Chihuahua caves house the world's largest crystals 2009
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I dont draw in blackboard chalks like these others, I use proper colours the same as what painters use; bloody expensive they are, especially the reds.
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Each blackboard is provided with a small case in which are kept the chalk, and the white cloths which we use instead of the ordinary erasers.
The Montessori Method Anne E. Montessori George 1912
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It’s obvious that the key to the universe is hidden in this photo of Einstein’s blackboard from the day he died.
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ACOUSTICS – D. Lynn Halpern, Randolph Blake and James Hillenbrand of Chicago’s Northwestern University for a 1986 experiment aimed at discovering why the sound of fingernails scraping on a blackboard is so irritating.
Announcing the Year’s Winners of the IgNobel Prize | Impact Lab 2006
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The two dozen participants started off by identifying “what’s wrong with the media,” and the blackboard is filled with complaints ranging from the lack of in-depth analysis and foreign news coverage to story repetition and reinforcement of stereotypes.
â”We canât use Mickey Mouse to tell other thingsâ” | PopPolitics.com 2005
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The two dozen participants started off by identifying “what’s wrong with the media,” and the blackboard is filled with complaints ranging from the lack of in-depth analysis and foreign news coverage to story repetition and reinforcement of stereotypes.
â”We canât use Mickey Mouse to tell other thingsâ” | PopPolitics.com 2005
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The two dozen participants started off by identifying “what’s wrong with the media,” and the blackboard is filled with complaints ranging from the lack of in-depth analysis and foreign news coverage to story repetition and reinforcement of stereotypes.
Print - â”We canât use Mickey Mouse to tell other thingsâ” | PopPolitics.com 2005
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