Definition of blackboard in English:

blackboard

Line breaks: black|board
Pronunciation: /ˈblakbɔːd
 
/

noun

A large board with a smooth dark surface attached to a wall or supported on an easel and used by teachers in schools for writing on with chalk.
More example sentences
  • The walls were covered in blackboards with chalk markings that seemed to be in a language of numbers.
  • Although the Government has approved a €15 million project to provide broadband internet access in all schools, teachers said this was like providing chalk without blackboards.
  • We will ensure that the backdrops in your scenes - the writing on the blackboards, the equipment in the labs - look realistic; that your universities look like universities and your academics act like academics.

Definition of blackboard in:

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Word of the day flagitious
Pronunciation: fləˈjiSHəs
adjective
(of a person or their actions) criminal; villainous