Synonyms|689Antonyms|2|Broader|35Narrower|64Related|233
2
freight
2
funicular
2
gutter(noun, ditch, conduit)
2
magnetron
2
main line
2
monorail(noun, line, track, railway, subway)
2
organ pipe(expression, idiom)
2
passageway
2
path
2
penstock
2
picture tube(expression, idiom)
2
rail(noun, line, track)
2
rail line(noun, expression, line, track, railway)
2
railway(noun, line, track, subway)
2
sewer(noun, line, way, course, drain)
2
sluice(noun, drain, ditch, shaft, channel)
2
smokestack(opening, airpipe)
2
snorkel
2
spout(noun, drain, ditch, channel, passage)
2
straw(noun, hose)
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APASmart Define. (2015). tube thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/tube/thesaurus/synonyms
ChicagoSmart Define. 2015. "tube thesaurus" https://smartdefine.org/tube/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, tube thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/tube/thesaurus/synonyms>.
MLASmart Define. "tube thesaurus" 5 June 2015. Web. 28 September 2026. <https://smartdefine.org/tube/thesaurus/synonyms>