Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

cryptography

play
noun cryp·tog·ra·phy \krip-ˈtä-grə-fē\

Simple Definition of cryptography

  • : the process of writing or reading secret messages or codes

Full Definition of cryptography

  1. 1 :  secret writing

  2. 2 :  the enciphering and deciphering of messages in secret code or cipher; also :  the computerized encoding and decoding of information

  3. 3 :  cryptanalysis

Examples of cryptography

  1. Companies often use cryptography to protect private information.



Origin of cryptography

New Latin cryptographia, from crypt- + -graphia -graphy


First Known Use: 1658



Seen and Heard

What made you want to look up cryptography? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 8, 2016

to clear from accusation or blame

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

pince-nez spindrift kittly-benders duvet
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ