178 entries under noun topic. ×
| pipe(thing, course, opening, drain) | |
| subway(line, thing, track, hole) | |
| hose(thing, cylinder, conduit, pipe) | |
| conduit(line, thing, way, drain) | |
| channel(line, water, way, course) | |
| underground | |
| metro(line, track, underground, railway) | |
| line(thing, way, track, trail) | |
| duct(line, way, course, drain) | |
| shaft(thing, opening, hole, channel) | |
| cylinder(container, holder, reel, pipe) | |
| television(visual, electricity) | |
| tunnel(opening, conduit, passageway, hose) | |
| vacuum tube(expression, idiom) | |
| tubing | |
| canal(line, way, opening, drain) | |
| pipeline(channel, passage, cylinder, pipe) | |
| roll(wave, breaker, whitecap) | |
| valve | |
| catheter |
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| APA | Smart Define. (2015). tube thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/tube/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "tube thesaurus" https://smartdefine.org/tube/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, tube thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/tube/thesaurus/synonyms>. |
| MLA | Smart Define. "tube thesaurus" 5 June 2015. Web. 30 September 2026. <https://smartdefine.org/tube/thesaurus/synonyms> |