blackboard
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English[edit]
Etymology[edit]
From black + board, because such surfaces were once typically made of black slate.
Pronunciation[edit]
- (General American) IPA(key): /ˈblækbɔɹd/, /ˈblækboɹd/
- (Received Pronunciation) IPA(key): /ˈblækbɔːd/
Audio (US) (file) - Rhymes: -ækbɔː(ɹ)d, -ækboɹd
- Hyphenation: black‧board
Noun[edit]
blackboard (plural blackboards)

- A large flat surface, finished with black slate or a similar material, that can be written upon with chalk and subsequently erased; a chalkboard.
- 2012 March 1, Brian Hayes, “Pixels or Perish”, in American Scientist[1], volume 100, number 2, page 106:
- Drawings and pictures are more than mere ornaments in scientific discourse. Blackboard sketches, geological maps, diagrams of molecular structure, astronomical photographs, MRI images, the many varieties of statistical charts and graphs: These pictorial devices are indispensable tools for presenting evidence, for explaining a theory, for telling a story.
Hypernyms[edit]
Derived terms[edit]
Related terms[edit]
Translations[edit]
a surface that can be written upon with chalk
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Verb[edit]
blackboard (third-person singular simple present blackboards, present participle blackboarding, simple past and past participle blackboarded)
- To use a blackboard to assist in an informal discussion.
Categories:
- English compound terms
- English 2-syllable words
- English terms with IPA pronunciation
- English terms with audio links
- Rhymes:English/ækbɔː(ɹ)d
- Rhymes:English/ækbɔː(ɹ)d/2 syllables
- Rhymes:English/ækboɹd
- Rhymes:English/ækboɹd/2 syllables
- English lemmas
- English nouns
- English countable nouns
- English terms with quotations
- English verbs
- English endocentric compounds
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