microdot

Thân thiện

A spy conceals a microdot within a postage stamp.

Definition

1. Noun:
   • A photograph reduced to an extremely small size, typically to the size of a dot: A microdot is a method of storing information by photographically shrinking a document or image to a minuscule scale, often for covert or security purposes.

Usage Examples

• Noun:
  • The spy concealed the secret plans within a microdot on the postage stamp.
  • Forensic analysis revealed a microdot hidden in the period of a typed letter.

Advanced Usage

• As a method of steganography: A is a classic technique in espionage for hiding information in plain sight.
  • The intelligence agent used a microdot to transmit the coded message securely.

Variants and Related Words

• Microphotograph (n): A general term for a photograph of a very small object, or a photograph reproduced at a very small scale. While similar, a specifically implies a reduction to dot-like size for concealment.

Synonyms

• Miniaturized photograph
• Reduced image

Related Phrases

• Hidden in a microdot: Refers to information concealed using this technique.
  • The coordinates were hidden in a microdot on the seemingly innocuous tourist brochure.

Học thuật

Noun

1. photograph reduced to the size of a dot (usually for purposes of security)