58 entries under opening topic. ×
| vessel(noun, cylinder, pipe, tube) | |
| water pipe(expression, idiom, conduit) | |
| air pipe(expression, idiom) | |
| fistula | |
| gut | |
| hole(noun, break, score, scratch) | |
| niche(noun, slit) | |
| ostium | |
| place(noun, medium, slit, opportunity) | |
| position(noun, slit) | |
| recess(noun, pocket, slit, cup) | |
| release(noun, passage, vent) | |
| safety valve(noun, expression, release, passage) | |
| smokestack | |
| socket(noun, dip, bottom, slit) | |
| time(noun, slit) | |
| tubule | |
| vacancy(noun, slit) |
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| APA | Smart Define. (2015). channel thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/channel/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "channel thesaurus" https://smartdefine.org/channel/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, channel thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/channel/thesaurus/synonyms>. |
| MLA | Smart Define. "channel thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/channel/thesaurus/synonyms> |