blackboard

Definition from Wiktionary, a free dictionary

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Contents 1 English 1.1 Etymology 1.2 Pronunciation 1.3 Noun 1.3.1 Related terms 1.3.2 Translations 1.4 Verb

[edit] English

[edit] Etymology

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

[edit] Pronunciation

•  Audio (US)^{help, file}

[edit] Noun

blackboard (plural blackboards)

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

[edit] Related terms

• chalkboard
• whiteboard

[edit] Translations

[edit] Verb

to blackboard (third-person singular simple present blackboards, present participle blackboarding, simple past and past participle blackboarded)

1. To use a blackboard to assist in an informal discussion.