78 entries under noun topic. ×
| fumarole | |
| helve(beam, tunnel, rod, chimney) | |
| inlet | |
| mofette | |
| moffette | |
| monolith(beam, tunnel, rod, chimney) | |
| obelisk(beam, tunnel, rod, chimney) | |
| pillar(beam, tunnel, rod, chimney) | |
| pinnacle(beam, tunnel, rod, chimney) | |
| ring | |
| ship | |
| slot | |
| spindle(beam, tunnel, rod, chimney) | |
| spiracle | |
| spire(beam, tunnel, rod, chimney) | |
| thill(beam, tunnel, rod, chimney) | |
| tongue(beam, tunnel, rod, chimney) | |
| waterspout |
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| APA | Smart Define. (2015). duct thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/duct/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "duct thesaurus" https://smartdefine.org/duct/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, duct thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/duct/thesaurus/synonyms>. |
| MLA | Smart Define. "duct thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/duct/thesaurus/synonyms> |