TERM

nibble

Half of a byte (i.e., usually, 4 bits).

Updated

Jan 06, 2026

Senses

(D)

Half of a byte (i.e., usually, 4 bits). Deprecated Term: To avoid international misunderstanding, IDOCs SHOULD NOT use this term; instead, state the size of the block explicitly (e.g., "4 bit block"). (See: Deprecated Usage under "Green Book".)

Half of a byte (i.e., usually, 4 bits).

Deprecated Term: To avoid international misunderstanding, IDOCs SHOULD NOT use this term; instead, state the size of the block explicitly (e.g., "4-bit block"). (See: Deprecated Usage under "Green Book".)

IETF RFC 4949 (Internet Security Glossary)

Bibliography

IETF RFC 4949 (Internet Security Glossary)
Accessed Jan 06, 2026Quoted
RFC 4949 — Internet Security Glossary (Version 2)
https://www.rfc-editor.org/rfc/rfc4949.txt
RFC 4949 is published by the IETF Trust and marked as "Distribution of this memo is unlimited". Verify IETF Trust copyright/licensing terms for reuse.
Source: IETF RFC 4949 (rfc-editor.org).