dah

Thân thiện

The operator tapped out a dah on the telegraph key.

Definition

1. Noun:
   • The longer of the two telegraphic signals used in Morse code: "dah" refers to the long sound or signal, typically represented by a dash (—), which contrasts with the short signal called a "dit" (·).

Usage Examples

• Noun:
  • The letter 'O' in Morse code is three dahs: — — —.
  • You must distinguish between the dit and the dah to decode the message correctly.

Advanced Usage

• "dash": Often used interchangeably with "dah" in the context of Morse code.
  • In written form, a dah is represented by a dash.

Variants and Related Words

• Dit (n): The shorter of the two telegraphic signals in Morse code, represented by a dot (·).
  • The letter 'E' is a single dit.

Synonyms

• Dash: A long signal in Morse code.
• Long signal: A descriptive term for the "dah".

Related Phrases

• Dit-dah sequence: A series of short and long signals forming a character in Morse code.
  • Learning the dit-dah sequences is essential for Morse code.

Học thuật

Noun

1. the longer of the two telegraphic signals used in Morse code

Từ đồng nghĩa

• dash