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cryptography

noun
USkrip-TAHG-ruh-fee/kɹɪpˈtɑɡ.ɹə.fi/krip-TOG-ruh-fee/kɹɪpˈtɒɡ.ɹə.fi/

1 meaning of cryptography

Practice

  1. 1
    noununcountable
    The study of how to keep messages secret and safe so only the right people can read them.

    Like a secret code that only you and your friend know how to read.

    Cryptography keeps your online passwords safe from hackers.

    Banks rely on cryptography to protect every money transfer.

    Similarcryptology

    Note

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Origin

It comes from "crypto-" (hidden or secret) and "-graphy" (writing).