1. a long tubular conduit or series of pipes, often underground, with pumps and valves for flow control, used to transport crude oil, natural gas, water, etc., especially over great distances.
2. a route, channel, or process along which something passes or is provided at a steady rate; means, system, or flow of supply or supplies: Freighters and cargo planes are a pipeline for overseas goods.
3. a channel of information, especially one that is direct, privileged, or confidential; insi
"shipments can be pipeline."
"normals can be pipeline."
"suppliers can be pipeline."
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