blackboard

/'blækbɔ:k/

Thân thiện

The teacher writes a math problem on the blackboard.

Definition

1. Noun:
   • A dark-colored, smooth surface for writing or drawing on with chalk: A "blackboard" is a flat, typically dark-colored board, traditionally made of slate, on which one writes or draws using chalk. It is commonly used in educational settings like classrooms.

Usage Examples

• Noun:
  • The teacher wrote the day's lesson on the blackboard.
  • Please erase the blackboard after class.

Advanced Usage

• "Blackboard" as a concept in education: The term can be used metaphorically to represent traditional teaching tools or methods.
  • Despite new technology, the trusty blackboard remains a staple in many classrooms.

Variants and Related Words

• Chalkboard (n): A more modern, general term for a board written on with chalk, which may not necessarily be black.
  • The new classroom has a green chalkboard instead of a traditional black one.
• Whiteboard (n): A glossy white surface for writing with dry-erase markers, often used as a modern alternative.
  • The meeting room is equipped with a large whiteboard.

Synonyms

• Slate: (when referring to the material or a small writing tablet).
• Writing board: A general term for any board used for writing in a teaching or presentation context.

Related Phrases

• Blackboard jungle: An idiom referring to a school or classroom characterized by disorder and violence.
  • The new teacher felt unprepared for the blackboard jungle he encountered.

Idioms

• As clear as a blackboard: (Less common) Used to indicate something is very obvious or easy to understand, akin to writing on a clear board.
  • The instructions were as clear as a blackboard.

Học thuật

Noun

1. sheet of slate; for writing with chalk

Từ đồng nghĩa

• chalkboard