noun · verb · 11 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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/ˈpaɪpˌlaɪn/
CMU ARPABET:P AY1 P L AY2 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A conduit made of pipes used to convey water, gas or petroleum, etc.
Definition source: English Wiktionary via Wiktextract
Examples
Meronyms: pipe, piping, pipework
An oil pipeline has been opened from the Caspian Sea.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A channel (either physical or logical) by which information is transmitted sequentially (that is, the first information in is the first information out).
Definition source: English Wiktionary via Wiktextract
Examples
3D images are rendered using the graphics pipeline.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
A system or process through which something is conducted.
Definition source: English Wiktionary via Wiktextract
Usage: figuratively
Examples
A new version of the software is in the pipeline, but has not been rolled out.
April 19 2002, Scott Tobias, AV Club Fightvillehttp://www.avclub.com/articles/fightville,72589/ The gym’s proprietor, “Crazy” Tim Credeur, heads up the Gladiator Academy, which serves as a pipeline for amateur MMA fighters to move up the ranks, though few of them do.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
A widely observed pattern of development in personal interests, circumstances, or opinions.
Definition source: English Wiktionary via Wiktextract
Usage: figuratively
Examples
Many who grew up in foster homes in the county have fallen victim to the foster-care-to-homelessness pipeline.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
A continuous, contributing source of benefits, talent, or innovation.
Definition source: English Wiktionary via Wiktextract
Usage: figuratively
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
noun
Meaning 6
The inside of a wave that a surfer is riding, when the wave has started closing over it.
Definition source: English Wiktionary via Wiktextract
Topics: hobbies, lifestyle, sports, surfing
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
7
verb
Meaning 7
To design (a microchip etc.) so that processing takes place in efficient stages, the output of each stage being fed as input to the next.
Definition source: English Wiktionary via Wiktextract