English Reference
noun

encoding

n.
US /ɛnˈkoʊdɪŋ/ UK /ɛnkˈəʊdɪŋ/ en·cod·ing UK spelling encodings

  1. 01 C1 Advanced Technical Computing

    the way a computer turns characters or symbols into data it can understand.

    the process of mapping characters or symbols to specific bit patterns or bytes to enable digital storage and display.

    Simple

    If you use the wrong encoding, the text on the website might look like strange symbols.

    In context

    The developer had to ensure the database used UTF-8 encoding to support the various character sets required by the international user base.

    Usage

    often used as an uncountable noun when referring to the general process.

    Teacher's tip

    Learners often confuse this with 'encryption'; explain that encoding is for compatibility, while encryption is for secrecy.

  2. 02 C1 Advanced Technical

    changing a message into a secret code or a different form so it can be sent.

    the conversion of information from one system of communication into another, often for security or efficient transmission.

    Simple

    The encoding of the secret message took several hours even with a fast computer.

    In context

    The software handles the encoding of video files into smaller formats, making them much easier to share over slow internet connections.

    cipheringconversion
    decodingdeciphering

Just as with the compass neurons, silencing the neurons encoding the odor’s edge position made it impossible for the flies to find it.

Ars Technica· 1 Aug 2026

It may also lead to better ways of transmitting signals between devices and encoding more information within them.

ScienceDaily· 28 Jul 2026
This entry
Level C1 · Advanced
Frequency Frequent
Updated