Definition

1. Noun:
   • A rectangular grid of dots used to form characters: A "dot matrix" is a pattern of dots arranged in rows and columns, from which letters, numbers, and symbols can be created by selectively activating specific dots.
   • A type of printer: The term commonly refers to a "dot matrix printer," a type of impact printer that forms characters by striking an ink-soaked ribbon against paper with a grid of small pins.

Examples of Usage

• Noun:
  • The old receipt was printed using dot matrix technology, giving it a distinctive, low-resolution appearance.
  • Early computer displays often used a simple dot matrix to render text.
  • The definition of the character is stored in the printer's memory as a dot matrix.

Advanced Usage

• "Dot matrix pattern": Refers specifically to the grid-like arrangement of dots used for display or printing.

  • The LED sign displayed the message using a bright red dot matrix pattern.

• "Dot matrix head": The component in a dot matrix printer containing the pins that strike the ribbon.

  • A faulty dot matrix head can cause faint or incomplete printing.

Variants and Related Words

• Dot matrix printer (n): A specific type of printer that uses the dot matrix method.

  • We need a dot matrix printer to print multi-part carbon forms.

• Dot-matrix (adj): Used as an adjective to describe technology or output using this method.

  • The dot-matrix output is noisy but reliable for continuous forms.

Synonyms

• Stylus printer: Another term for an impact printer that uses pins, though less common.
• Impact matrix printer: A more technical synonym emphasizing the printing mechanism.

Related Phrases

• Near-letter quality (NLQ): A mode in dot matrix printing where characters are formed with more dots for a smoother appearance.

  • For the final report, switch the printer to near-letter quality mode.

• Draft quality: A faster, lower-resolution printing mode on a dot matrix printer.

  • Use draft quality for internal drafts to save time and ribbon.

Noun

1. a rectangular matrix of dots from which written characters can be formed