178 entries under noun topic. ×
| main(course, opening, drain, means) | |
| passage(line, way, course, opening) | |
| railroad(line, track) | |
| thermionic tube(expression, idiom) | |
| amplifier | |
| anode | |
| aqueduct(course, means, race, route) | |
| artery(channel, conduit) | |
| barrel | |
| bulb | |
| cathode | |
| electrode | |
| electron tube(expression, idiom) | |
| flue(opening, pipe, airpipe) | |
| hosepipe | |
| pipette(receptacle, hose) | |
| resistance | |
| roller | |
| siphon(conduit, pipe) | |
| subway system |
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| APA | Smart Define. (2015). tube thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/tube/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "tube thesaurus" https://smartdefine.org/tube/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, tube thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/tube/thesaurus/synonyms>. |
| MLA | Smart Define. "tube thesaurus" 5 June 2015. Web. 1 October 2026. <https://smartdefine.org/tube/thesaurus/synonyms> |