different between blackboard vs chalkboar

blackboard

English

Etymology

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

Pronunciation

(General American) IPA^(key): /?blækb??d/, /?blækbo?d/
(Received Pronunciation) IPA^(key): /?blækb??d/
Hyphenation: black?board

Noun

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.

Hypernyms

writing board

Related terms

chalkboard
greenboard
whiteboard

Translations

Verb

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.

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chalkboar

chalkboar From the web:

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