Noun:

নথিপত্র ইত্যাদির বিন্দুবৎ ফটোগ্রাফ,

microdot's Usage Examples:

A microdot is text or an image substantially reduced in size to prevent detection by unintended recipients.

special cameras were used to generate microdots that were then adhered to letters and sent through the mail.

These microdots often went unnoticed by inspectors.

across a microdot that was sent to him by Farris before her untimely death.

He immediately consults Luther about it but Luther finds that the microdot contains.

Synonyms:

pic; picture; exposure; photo; photograph;

Antonyms:

safety; invulnerability;