What does blackboard mean?

Definitions for blackboard
ˈblækˌbɔrd, -ˌboʊrdblack·board

This dictionary definitions page includes all the possible meanings, example usage and translations of the word blackboard.

Princeton's WordNet

  1. blackboard, chalkboardnoun

    sheet of slate; for writing with chalk

Wiktionary

  1. blackboardnoun

    A large flat surface, finished with black slate or a similar material, that can be written upon with chalk and subsequently erased; a chalkboard

  2. blackboardverb

    To use a blackboard to assist in an informal discussion.

  3. Etymology: From black + board, because such surfaces were once typically made of black slate.

Wikipedia

  1. Blackboard

    A blackboard (also known as a chalkboard) is a reusable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when used for this purpose, as chalk. Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone.

ChatGPT

  1. blackboard

    A blackboard is a large flat square or rectangular surface, usually mounted on a wall, that is coated in a dark or black color, traditionally used in educational settings for teaching purposes. It's used for writing or drawing on with chalk for visual displays of information like lessons, notices or diagrams. It can be erased and reused multiple times.

Webster Dictionary

  1. Blackboardnoun

    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

Wikidata

  1. Blackboard

    A blackboard or chalkboard is a reuseable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when used for this purpose, as chalk. Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone. Modern versions are often green because the color is considered easier on the eyes.

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Numerology

  1. Chaldean Numerology

    The numerical value of blackboard in Chaldean Numerology is: 9

  2. Pythagorean Numerology

    The numerical value of blackboard in Pythagorean Numerology is: 6

Examples of blackboard in a Sentence

  1. Tim Hoyt:

    It was my arm that went first, my right arm, right hand got very weak, I couldn't hold the chalk to the blackboard. It's now progressed to (my) left arm. Both arms and hands are useless. I'm still walking, though I'm weak.

  2. Stanislaw Ulam:

    It is still an unending source of surprise for me how a few scribbles on a blackboard or on a piece of paper can change the course of human affairs.

  3. David Eisenbud:

    You know, one reads about Archimedes drawing in the sand... but I wouldn't be surprised if there was something like chalk and a blackboard back then, too.

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Translations for blackboard

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"blackboard." Definitions.net. STANDS4 LLC, 2024. Web. 29 Mar. 2024. <https://www.definitions.net/definition/blackboard>.

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