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Definition of encryption

encryption

/ɪnˈkrɪp.ʃən/
en · cryp · tion
Plural:encryptions
•
Adjective:encrypted
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encryption Lexical Profile

encryption Game Scores & Validity

• noun

1

The process of converting information or digital data into a secret code, especially to prevent unauthorized access.

Example

"Modern messaging apps use end-to-end encryption to protect user privacy."

Synonyms
View all synonyms for encryption
Antonyms
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Word Nuance & Usage

In computing, 'encryption' specifically requires a secret key to conceal data from unauthorized parties, whereas 'encoding' merely converts data into another format for usability and can be easily reversed by anyone.

• Rhymes for encryption

• Nearby Words

encrust
encrustation
encrypt
encryption
encumber
encumbrance
encyclopedia

Word Origin & Etymology

Coined in the mid-20th century from the verb 'encrypt' and the noun suffix '-ion', ultimately deriving from the Ancient Greek 'kryptos' meaning 'hidden' or 'secret' (modeled by analogy on 'encoding').

Cite this Entry

Wordmom. (2026). Definition of Encryption. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/encryption
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