30 entries under beam topic. ×

15
conduit(noun, line, way, course, drain)
5
flue(noun, opening, fan, vent)
4
tunnel(noun, course, means, race)
4
vent(noun, break, opening, passage)
1
chimney(noun, opening, fan, shaft)
1
cylinder(noun, tunnel, rod, pipe)
1
hole(noun, break, opening, channel)
0
arrow(tunnel, rod)
0
axis(noun, tunnel, rod, chimney)
0
axle(noun, tunnel, rod, chimney)
0
bar(tunnel, rod)
0
barb(noun, tunnel, rod, chimney)
0
column(noun, tunnel, rod, chimney)
0
diaphysis(noun, tunnel, rod, chimney)
0
handle(tunnel, rod)
0
helve(noun, tunnel, rod, chimney)
0
lance(tunnel, rod)
0
missile(tunnel, rod)
0
monolith(noun, tunnel, rod, chimney)
0
obelisk(noun, tunnel, rod, chimney)
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APASmart Define. (2015). duct thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/duct/thesaurus/synonyms
ChicagoSmart Define. 2015. "duct thesaurus" https://smartdefine.org/duct/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, duct thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/duct/thesaurus/synonyms>.
MLASmart Define. "duct thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/duct/thesaurus/synonyms>