16 entries under channel topic. ×

15
pipe(noun, thing, course, opening, drain)
15
subway(noun, line, thing, track, hole)
12
conduit(noun, line, thing, way, drain)
8
duct(noun, line, way, course, drain)
8
shaft(noun, thing, opening, hole)
5
canal(noun, line, way, opening, drain)
5
pipeline(noun, passage, cylinder, pipe)
4
main(noun, course, opening, drain, means)
4
passage(noun, line, way, course, opening)
3
artery(noun, conduit)
3
trough(noun, course, drain, means, ditch)
2
sewer(noun, line, way, course, drain)
2
sluice(noun, drain, ditch, shaft)
2
spout(noun, drain, ditch, passage)
2
vessel(noun, opening, cylinder, pipe)
1
raceway(noun, course, means, race, route)
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APASmart Define. (2015). tube thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/tube/thesaurus/synonyms
ChicagoSmart Define. 2015. "tube thesaurus" https://smartdefine.org/tube/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, tube thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/tube/thesaurus/synonyms>.
MLASmart Define. "tube thesaurus" 5 June 2015. Web. 30 September 2026. <https://smartdefine.org/tube/thesaurus/synonyms>