Synonyms of 'pipeline'
idiom:in the pipeline
Copyright © 2016 by HarperCollins Publishers. All rights reserved.
A conduit is a small tunnel, pipe, or channel through which water or electrical wires go.
He saw that the conduit was choked with rubbish.
A duct is a pipe, tube, or channel which carries a liquid or gas.
a big air duct in the ceiling
Thesaurus for pipeline from the Collins English Thesaurus
A pipeline is a large pipe which is used for carrying oil or gas over a long distance, often underground.